Summarize the following court judgment. Appeal No. 284 of 1972. (From the Judgment and Order dated 3 5 1971 of the Delhi High Court in I.T. Case No. 6 D of 1964) A.K. Sen	 V.S. Desai and Bishamber Lal	 for the appellant. G.C. Sharma and S.P. Nayar	 for the respondent. The Judgment of the Court was delivered by BHAGWATI	 J. This is an appeal by special leave direct ed against the Judgment of the Delhi High Court answering in favour of the Revenue a question which was directed to be referred by the Tribunal under section 66(2) of the Indian Income Tax Act	 1922. The controversy between the parties arises out of an assessment made on the assessee as a Hindu Undivided Family for the assessment year 1948 49	 the corre sponding accounting year being the financial year 1947 48. The assessee was at the material time a Hindu Undivided Family with one Roshan Lal as its manager and karta. Till June 1947 the assessee was carrying on business in gold and jewellery at Chowk Surjan Singh in Lahore. In view of the impending partition of India Roshan Lal decided to move out of Lahore and accordingly he transferred a sum of Rs. 12	094/ from the account of the assessee with the Lahore Branch of the Punjab National Bank Ltd. to the New Delhi Branch of that bank in June 1947. He also transferred from the Lahore 156 Branch of the punjab National Bank Ltd. to the branch of that bank at New Delhi two sums of Rs. 13	000/ and Rs. 6	000/ 	 the former in his own name and the latter in the name of his wife and obtained fixed deposit receipts for these two amounts from the New Delhi Branch of the Bank in July 1947. He left Lahore in June 1947 and proceeded to Mussoorie but on his way he stopped at Amritsar for a few days. He opened an account with the Amritsar Branch of the Imperial Bank of India by depositing a sum of Rs. 300/ with a view to obtaining a locker in the safe deposit vault where he could deposit for sale custody a trunk which he had brought with him from Lahore containing gold ornaments	 jewellery and cash. It seems that a locker was not avail able and hence he deposited the trunk in a sealed condition with the Amritsar Branch of the Imperial Bank of India on 25th june	 1947. The sealed trunk	 according to the asses see	 contained gold ornaments of the value of Rs. 1	19	320/ 	 gold rawa of the value of Rs. 1	69	020/ and stones of the value of Rs. 4	000/ . Roshan Lal then went to Mussoorie via Haridwar and stayed at Mussoorie until about October 1947. The case of the assessee was that during this period Roshan Lal did not carry on any business nor did he have any other means of income. In October 1947 Roshan Lal came over to Delhi and rented a house in Kinari Bazar with a view to settling down in Delhi. He started looking for suitable premises for commencing business and it was only in February 1948 that he succeeded in securing suitable prem ises at Dariba Kalan in Delhi. He then started gold and jewellery business in these premises in the name and style of Roshan Di Hatti on 30th March	 1948. The business was joint family business of the assessee and the first entry made in the books of account of the assessee was dated 30th March	 1948 and it was as follows: Gold Ornaments Rs. 1	19	320/ Gold Rawa Rs. 1	69	020/ Stones Rs. 4	000/ Bank balance with the Imperial Bank of India	 Delhi Rs. 35	053/ Bank balance with Hindustan Commercial Bank	 Delhi Rs. 221/ Cash Rs. 2	800/ . The assessee thus brought in an aggregate capital of Rs. 3	33	414/in the business on 30th March	 1948. It appears that the assessee prospered in this gold and jewellery business of Roshan Di Hatti but it did not file any return of income nor paid any income tax. It came to the notice of the Income Tax Officer some time in the beginning of 1957 that the assessee had made considerable income in its gold and jewellery business but had failed to pay any tax on such income and hence the Income Tax Officer issued a notice to the assessee under section 34(1)(a) of the Indian Income Tax Act	 1922 for bringing the income of the assessee for the assessment year 1948 49 to tax. The assessee filed its return of income and in the course of the assessment pro ceedings	 the Income Tax Officer	 called upon the assessee to explain the nature and source of the capital of Rs. 3	33	414/ brought by it into the business on 30th March	 1948. The assessee pointed 157 out that gold rawa	 ornaments and cash representing this capital were brought by Roshan Lal when he migrated from Lahore and they were kept in a sealed trunk with the Amrit sar Branch o[ the Imperial Bank of India and when Roshan Lal came over to Delhi in October 1947	 he. deposited the same in a locker in the safe deposit vault of Hindustan Commer cial Bank at Delhi and when the business of the assessee was commenced	 he surrendered the locker and brought the entire gold	 jewellery and cash into the business. It was empha sised by the assessee as a supportive fact that after Roshan Lal migrated from Lahore in June 1947 until the assessee started the business of Roshan Di Hatti on 30th March	 1948	 neither the assessee nor Roshan Lal had any other business or means of income from which the assets of Rs. 3	33	414/ could have been earned. This explanation was given in the course of various statements made by the asses see from time to time before the Income Tax Officer. The assessee also examined Hira Lal	 Father in law of Roshan Lal and filed affidavits of Mulk Ram	 Bills Mal	 Dalai	 Wazir Chand	 Devidas Mehra and Panna Lal before the Income Tax Officer for the purpose of showing that the assessee was having a large gold and jewellery business in Lahore before migration and that it did not carry on any business in India before starting the business of Roshan Di Hatti on 30th March	 1948. The Income Tax Officer also examined Prem Nath and Kishan Chand	 brothers of Roshan Lal. The statement of Prem Nath was to the effect that their father was a man of ordinary means who was almost reduced to penury by about 1940 and that he had given a sum of Rs. 2000/ to his son Roshan Lal for starting gold and jewellery business in 1935 and he had also subsequently lent some monies to Roshan Lal at nominal interest. Prem Nath deposed that for the purpose of the business of the assessee	 Roshan Lal was occupying a shop belonging to his father but he was not paying rent though demanded on the ground that he did not have sufficient income to pay the rent It was also stated by Prem Nath that before the partition of the country the standard of living of Roshan Lal and his family was no higher than that of Prem Nath who was getting a salary of Rs. 150/ per month. The statement of Prem Nath was clear ly directed towards showing that the assessee did not have any flourishing business or large income prior to partition. The Income Tax Officer	 on the basis of this material before him	 rejected the explanation offered by the assessee and came to the conclusion that it was not possible to believe that the assessee had been able to accumulate capital to the extent of Rs. 3	33	414/ out of income from the business carried on by it in Lahore and since the nature and source of the capital of Rs. 3	33	414/ credited in the books of account of the business on 30th March	 1948 was not satis factorily explained	 the Income Tax Officer	 gave credit only for a sum of Rs. 20	000/ and treated the balance of Rs. 3	13	414/ as income of the assessee from undisclosed sources. The assessee appealed against this order of the Income Tax Officer and on appeal	 the Appellate Assistant Commis sioner took the view that	 on the facts as disclosed by the material placed on record in the proceedings	 a much larger allowance should have been made in respect of the capital brought by the assessee from Lahore and he allowed a further sum of Rs. 80	000/ . The reason given by the Appellate 158 Assistant Commissioner for taking this view are a little material and they may be reproduced as follows: "There is documentary evidence to show that assessee transferred an amount of Rs. 12	094/ from the Punjab National Bank account at Lahore to the same bank in New Delhi in June 1947. It is also seen that he also transferred two amounts Rs. 13	000/ in his own name and Rs. 6	000/in his wife 's name from the Punjab National Bank	 Lahore	 to the same Bank at Minto Road	 New Delhi and fixed deposit receipts were taken for this total sum of Rs. 19	000/from the Delhi Bank in July 1947. All these monies including the realised fixed deposits later on went into the asses see 's account with the State Bank of India which reveals a credit balance of Rs. 35	053/ as on 30 3 1948. This at least shows that the assessee was not a man of very small means while he was at Lahore. He was having four accounts in different banks at Lahore. The particulars	 however	 are not available and it is also stated that most of these accounts were very small; but even then a man of very modest means would not normally have so many bank accounts. Moreover	 while at Lahore Shri Roshan Lal had taken life insur ance Policies Rs. 22	000/ . A number of letters and receipts regarding business trans actions in Lahore were also filed which indi cate that the Lahore business was not as small as the Income Tax Officer has taken it to be. There are some papers which relate to deals worth Rs. 10	000/ or more at one time. There are also several vouchers relating to adver tisement charges paid at Lahore All these things together with the fact that the asses see was in position to transfer a sum of Rs. 31	000/ approx. through banks indicate that he was doing fairly well in the business at Lahore. How he could have managed to evade tax at Lahore for all these years	 is a mys tery; but from the circumstances of the case it appears that the assessee had certainly assessable incomes while he was doing business there during the pre partition period. There is another factor which has also to be given its due weight. While leaving Lahore and coming over to India in JUne 1947	 the assessee stopped for few days at Amritsar. There on the 25th June	 1947 he deposited a sealed box with the State Bank of India Amritsar Branch. This box was withdrawn by him on the 20 10 47. These facts are corroborated by the bank certificate. The assessee claims that he had considerable amount of jewellery and gold etc. (part of his trading stock in Lahore) as well as cash	 in this box that is why he did not take the risk of carrying. it with him on his way to Mussoo rie	 but kept in deposit with the State Bank at Amritsar till such time. as he was able to settle down in India. The contents of the seated box are unknown to the bank and so it is not possible to ascertain what the box actually contained. But it is reasonable to 159 presume that there must have been something quite valuable in the box as otherwise the assessee would not have kept it in the custody of a bank like State Bank of India. It must also be noted that as early as June	 1947	 the assessee hired a locker in the Hindustan Commercial Bank Ltd.	 New Delhi. It is clear therefore	 that when in June	 1947	 the asses see was leaving Lahore he must have had with him quite a substantial amount either in the form of jewellery etc.	 or cash	 as otherwise he would not have taken the precaution of either depositing the sealed box with the State Bank of India at Amritsar or opening a locker in a New Delhi Bank. Considering all the evidence discussed above	 I am of the opinion that the Income Tax Officer 's allowance of Rs. 20	000/ only as capital brought over from Pakistan is too low. It is true that the capital disclosed in the books as on 30 3 1948 is mostly unverifiable and even assuming that the assessee was doing reasonably well in his business at Lahore	 there are hardly any reasons to believe that he could have accumulated so much capital and could have brought all that capital safely into India; but the circumstances of the case do in my view justify a much larger allowance for old capital than has been allowed by the Income Tax Officer. In my opinion	 a reduction of the. assessment by Rs. 80 '000/will meet the requirement of the case. " The Appellate Assistant Commissioner thus reduced the figure undisclosed income of the assessee to Rs. 2	33	414/ . But this relief was not enough and the assessee pre ferred a further appeal to the Tribunal. When the appeal came to. be heard by the Tribunal	 Roshan Lal	 who was present at the hearing	 was asked by the Members of the Tribunal as to how he had brought gold and jewellery from Lahore and he stated that it was brought in train in a box of the size of 2 1/2 'x l1/2 'x 1 ' and he was then asked what was the weight of the box	 to which he replied stating that the weight of the contents of the box was about eight seers. The Tribunal then	 after hearing the arguments of the par ties	 rejected the appeal. The main arguments which weighed with the Tribunal in negativing the appeal of the assessee were: first	 if the weight of the contents of the box was only eight seers	 the value of gold and jewellery in the box could not be more than Rs. 66	000/ at the then current rate of gold at Rs. 90/ per tola; secondly	 the Government of India had issued a Press Note in January 1952 requiring all evacuees to declare the amounts of money brought by them from Pakistan and assuring them that in case they did so	 no further enquiries would be made from them as to how they had earned the same and whether they had paid any tax on it and yet the assessee had not declared 'before the Revenue au thorities until the commencement of the assessment proceed ings in 1957 that it had brought the capital of Rs. 2	33	414/ from Pakistan; thirdly	 the assessee claimed to have a flourishing business in Lahore in the course of which it was supposed to have earned enough to enable it to save a capital of Rs. 3	33	414/ and yet it had not filed 160 any income tax return nor was it ever assessed to income tax in Lahore and fourthly	 the depositions of Mulk Ram	 Billa Mal	 Dalai	 Wazir Chand	 Devidas Mehra and Panna Lal were vague and based on hearsay and they had no evidentiary value in the absence of contemporaneous primary evidence. The Tribunal	 accordingly	 held that the assessee could not have brought assets worth more than Rs. 1	00	000/ from Lahore and the estimate made by the Appellate Assistant Commissioner did not call for any interference and in this view	 the Tribunal confirmed the assessment of the bal ance of Rs. 2	33	414/ as the undisclosed income of the assessee for the assessment year 1948 49. The assessee applied to the Tribunal for referring to the High Court the question of law arising out of its order but the Tribunal declined to make a reference on the ground that in its opinion no question of law arose out of its order. This led to the making of an application to the High Court under section 66(2)	 but the High Court also took the same view and rejected the application. The assessee there upon preferred an appeal to this Court by special leave and in the appeal	 an order was made by this Court referring the following question for the opinion of the High Court: Whether there was material for coming to the conclusion that Rs. 2	33	414/ 	 out of the capital of Rs. 3	33	414/credited in the books of account of the assessee on 31st March	 1948	 represented income from undis closed source ? Pursuant to this order the Tribunal stated a case for the opinion of the High Court and the High Court answered the question referred to it in favour of the Revenue by holding that there was material on the basis of which the Tribunal could come to the conclusion that Rs. 2	33	414/ represented the undisclosed income of the assessee. Hence the present appeal by the assessee with special leave ob tained from this Court. Now	 the law is well settled that the onus of proving the source of a sum of money found to have been received by an assessee is on him. If he disputes the liability for tax	 it is for him to show either that the receipt was not income or that if it was	 it was exempt from taxation under the provi sions of the Act. In the absence of such proof	 the Revenue is entitled to treat it as taxable income. This was laid down as far back as 1958 when this Court pointed out in A. Govindarajulu Mudaliar vs Commissioner of Income tax (1) that "there is ample authority for the position that where an assessee fails to prove satisfactorily the source and nature of certain amount of cash received during the ac counting year	 the Income Tax Officer is entitled to draw the inference that the receipts are of an assessable nature". To put it differently	 where the nature and source of a receipt	 whether it be of money or of other property	 cannot be satisfactorily explained by the assessee	 it is open to the Revenue to hold that it is the income of the assessee and no further burden lies on the Revenue to show that that income is from any particular source. Vide Com missioner of Income Tax	 U.P. vs Devi Prasad Vishwanath Prasad(2). Here	 (1) (2) 161 in the present case	 the assessee introduces in the books of account of its business on 30th March	 1948	 capital of Rs. 3	33	414/ which consisted of gold rawa	 gold ornaments	 stones and cash. The burden of accounting for the receipt of these assets was clearly on the assessee and if the assessee failed to prove satisfactorily the nature and source of these ' assets	 the Revenue could legitimately hold that these assets represented the undisclosed income of the assessee. The assessee offered the explanation that these assets had been brought by Roshan Lal when he migrated from Lahore in June 1947 and they represented the entire savings of the assessee in Pakistan. This explanation was disbe lieved. by the Tribunal which took the view that	 on the material on record	 it was not possible to hold that the assessee must have brought more than Rs. 1	00	000/ from Lahore and hence the Tribunal added the balance of Rs. 2	33	414/ as undisclosed income of the assessee. This conclusion reached by the Tribunal was clearly a finding of fact and hence it could be assailed only if it was shown that the Tribunal had acted without any material or upon a view of the facts which could not reasonably be entertained or the facts found were such that no person acting judicial ly and properly instructed as to the relevant law would have come to that determination. Vide Mehta Parikh & Co. vs Commissioner of Income Tax	 Bombay(1). Let us consider what were the primary facts established by the material on record. The assessee was admittedly carrying on the business of Roshan Di Hatti in Lahore from 1935 until June 1947 when Roshan Lal migrated from Lahore. It is true that the assessee was not paying any Income tax in Lahore but	 as pointed out by the Appellate Assistant Commissioner in his order	 a number of letters and receipts regarding business transactions in Lahore were filed by the assessee which showed that the business in Lahore was not small and there were documents and papers which referred to. dealings involving Rs. 10	000/ or more at a time and there were also several vouchers produced by the assessee relating to advertising charges paid at Lahore. The busi ness carried on by the assessee at Lahore was	 therefore	 a reasonably large business though its extent could not be verified by any reliable material produced by the assessee. The assessee undoubtedly filed affidavits of Mulk Ram	 Billa Mal	 Dalai	 Wazir Chand	 Devidas Mehra and Panna Lal	 but	 as commented upon by the Tribunal	 these affidavits were vague and could not be regarded as having much evidentiary value. Still they did go to show that the Lahore business of the assessee was a fairly large business. The Tribunal was no doubt right in commenting that primary evidence with regard to the extent of the Lahore business of the assessee was not forthcoming	 but it must be remembered that the assessee was being called upon to prove the extent of its business in a territory from which the members of the Hindu Undivided Family had to flee for their lives and from where it was totally impossible to produce any primary evidence. Be that as it may	 it was found as a fact by the Appellate Assistant Commissioner and this finding was not disturbed by the Tribunal that the assessee "was doing fairly well in the business in Lahore". Roshan Lal	 in anticipation of the partition of the country which was soon to follow	 decided to move out of Lahore in June 1947 at a time when massacre and holocaust had not yet started 162 and he was in a position to remove his belongings. He migrated from Lahore with all his belongings and came over to Amritsar and he brought with him a trunk which he wanted to keep in a locker in Safe Deposit Vault of the Imperial Bank of India. He could not obtain a locker and hence he deposited the sealed trunk with the Amritsar Branch of the State Bank of India instead of carrying it with him to Mussoorie. There is no documentary evidence to show as to what were the contents of the sealed trunk but	 as pointed out by the Appellate Assistant Commissioner and not dissented by the Tribunal	 "it is reasonable to presume that there must have been something quite valuable in the box as otherwise the assessee would not have kept the custo dy of a bank like the State Bank of India". There can be no doubt	 as observed by the Appellate Assistant Commissioner	 and not disputed by the Tribunal that the assessee "must have had with him quite a substantial amount either in the form of jewellery etc. or cash	 or otherwise he would not have taken the precaution of either depositing the sealed box with the State Bank of India	 Amritsar opening a locker in a New Delhi Bank". The clear finding of the Appellate ASsistant Commissioner	 affirmed by the Tribunal	 therefore	 was that Roshan Lal did bring ornaments	 jewellery and cash with him when he migrated from Lahore in June 1947 and kept the same in a sealed trunk with the Amritsar Branch of the State Bank of India. If that be so	 then on what material could it be said that the ornaments	 jewellery and cash brought by the assessee and kept in the sealed trunk were of the value of only Rs. 1	00	000/ and no more. What were the materials on the basis of which the claim of the assessee that Roshan Lal had brought gold	 ornaments and cash of the value of Rs. 3	33	414/ could be rejected ? The only materials relied upon by the Tribunal was that the assessee had never filed any income tax return nor ever paid any tax on the income of its business in Lahore and the presumption must	 therefore	 be that the assessee did not earn any assessable income before migration from Lahore. Now	 it is true that where an assessee has not paid income tax	 the presumption ordinarily must be that the assessee had no assessable income	 but here the fact remains that the assessee transferred no less than an aggregate sum of Rs. 31	094/ from Lahore to New Delhi and also brought sub stantial amount either in the form of jewellery etc. or cash" and deposited the same in a sealed trunk with the Imperial Bank of India	 Amritsar Branch in June 1947. obviously the assessee could not have done unless it had a reasonably large business in Lahore and	 therefore	 the fact that the assessee did not pay income tax in Lahore cannot have much evidentiary value. All that it would show is that	 as pointed out by the Tribunal	 "the assessee has not been very straightforward in his dealings with the income tax departments". The Tribunal also relied upon certain answers given by Roshan Lal when he was questioned by the Members of the Tribunal at the hearing of the appeal. It must be pointed out straight away that 163 these answers given by Roshan Lal could not be relied upon by the Tribunal for the purpose of coming to any conclusion adverse to the assessee	 because there is a procedure pre scribed in Rules 29. 30 and 31 of the Income Tax Appellate Tribunal Rules for taking additional evidence before the Tribunal and if the Members of the Tribunal wanted to exam ine Roshan Lal on any aspects of the case they should have followed this procedure. But unfortunately the Members of the Tribunal	 disregarding the prescribed procedure	 put questions to Roshan Lal in an informal manner unauthorised by the Rules. The answers given by Roshan Lal could not in the circumstances form part of the record and the Tribunal was not entitled to reply upon the same in arriving at its findings of fact. It may be noted that the High Court also took the view that the procedure adopted by the Tribunal was irregular and the answers given by Roshan Lal should be left out of account. One other circumstance on which the Tribunal relied was that notwithstanding the Press Note issued by the Government of India in January 1952 the assessee did not declare that. it had brought assets of the value of Rs. 3	33	4/4/ from Pakistan and this circumstance	 according to the Tribunal	 cast considerable doubt on the version put forward by the assessee. Now	 the Press Note of Government of India was not produced before us but we will assume that it did promise a certain concession to the evacuees. who declared the assets brought by them from Pakistan. Even so	 we fail to see how it could be utilised as a circumstance militating against the explanation of the assessee. Both according to the Appellate Assistant Commissioner as well as the Tribunal	 the assessee did bring assets worth Rs. 1	00	000/ from Lahore in June 1947 and these assets were admittedly not disclosed by the assessee despite the Press Note issued by the Government of India. Then	 how could any inference be drawn from the non disclosure of the assets by the assessee that the assessee must not have brought assets represent in the balance of Rs 2	33 414/ 9 Whether the assets brought by the assessee were Rs 1	00	000/ or Rs. 3	33	414/ the fact remains that they were not disclosed by the assessee despite the Press Note of the Government of India and hence no adverse reference could be drawn from the fact of non disclosure of the assets by the assessee. It will	 therefore	 be seen that there was no mate rial on the basis of which the Tribunal could come to the conclusion that though the assessee had a fairly large business in Lahore and had brought its entire ornaments	 jewellery and cash from Lahore and deposited the same in a sealed trunk with the Amritsar Branch of the Imperial Bank of Inaia	 these ornaments	 jewellery and cash were worth not more than Rs. 1	00	000/ . One may also ask the question that if the assessee did not bring assets worth more than Rs. l	00	000/ from Lahore	 where and how did it get the remaining assets of the value of Rs 2 33 414/ ? Roshan Lal had come away from Lahore as a refugee and conditions in post partition India were also highly unsettled and the clear and undoubted evidence was that neither Roshan Lal nor the assessee had any business or other means of 164 income in India until 30th March	 1948. In this situation	 it is impossible to believe that the assessee could have earned such a huge amount of profit as Rs. 2	33	414/ within a few months	 even if it be assumed that some business was started by it in October 1947 when Roshan Lal came down to Delhi. The utter improbability	 amounting almost to	 impossibility	 of the assessee having earned such a large amount of Rs. 2	33	414./ as profit within a few months in the disturbed conditions which then prevailed in India was a circumstance which ought to have been taken into account by the Tribunal but which the Tribunal unfortunately failed to do. It may be pointed out that it was not the case of the Revenue that the books of account of the business were subsequently written up and the entry crediting the capital of Rs. 3	33	4.14/ on 30th March	 1948 was not a genuine entry and the undisclosed profits of the subsequent years were sought to be concealed by the showing a bogus entry of Rs. 3	33	414/ as capital contribution on 30th March	 1948. If such had been the case	 the present argument as to the improbability of the assessee having earned such a huge amount of Rs. 2	33	414/ within a few months	 would not have been available to the assessee. But the Revenue did not dispute the correctness of the entry and accepted that assets worth Rs. 3	33	414/ were introduced in the business on 30th March	 1948 and sought to include the amount of Rs. 3	33	414/ representing the value of these assets as undis closed income of the assessee for the assessment year 194849. The only question could	 therefore	 be whether these assets were brought by the assessee from Lahore in June 1947 or they represented the concealed income earned by the assessee during the period June 1947 to 30th March	 1948. The impossibility of the assessee having earned such a huge amount of profit within a a few months immediately after migration to India in the disturbed and unsettled conditions which then prevailed must	 therefore	 necessarily support the inference that the assessee must have brought these assets from Lahore. We are	 therefore	 of the view that in reaching the conclusion that out of the capital of Rs. 3	33	414/ I credited in the books of the assessee on 30th March	 1948	 assets of the value of Rs. 2	33	414/represented undisclosed income of the assessee for the assessment year 1948 49	 the Tribunal acted without any material or in any event	 the finding of fact reached by the Tribunal was unreasonable or such that no person acting judicially and properly instruct ed as to the relevant law would come to such finding. We accordingly allow the appeal	 set aside the order of the High Court and answer the question referred by the Tribunal in the negative. The 'Commissioner will pay the costs of the appeal to the assessee. P.H.P. Appeal allowed.

The assessee	 a Hindu Undivided Family	 was carrying on business in gold and jewellery in Lahore till June 1947. In view of the impending partition of India Roshan Lal decided to move out of Lahore and accordingly transferred sums of Rs. 12	094/ 	 Rs. 13	000/ and Rs. 6	000/ from Lahore Banks to New Delhi Banks. He left Lahore and pro ceeded to Mussoorie in June	 1947. On his way	 he stopped at Amritsar for a few days and opened an account with the Imperial Bank of India with a view to obtaining a locker in the Safe Deposit Vault but a locker was not available and hence he deposited a trunk which he had brought from Lahore containing gold ornaments	 jewellery and cash with the Imperial Bank of India. The assessee came to Delhi in October	 19.	7. and rented a house. In February	 1948. he succeeded in securing business premises and started busi ness on 30.3.1948. The first entry in the books of account on 30.3.1948 showed gold ornaments of Rs. 1	19	320/ 	 Gold Rawa Rs. 1	69	020/ Stones worth Rs. 4	000/ Bank balance with the Imperial Bank of India	 Delhi Rs. 35	053/ Bank Balance with Hindustan Commercial Bank. Delhi Rs. 221/ and Cash of Rs. 2.800/. The assessee thus brought in an aggre gate capital of Rs. 3	33	414/ in the business on 30.3.1948. in 1957. it came to the notice of the Income Tax Officer that the assessee had made considerable income in his gold and jewellery business but had failed to pay any tax on such income and hence issued a notice to the assessee under section 34(1)(a) of the Indian Income Tax Act	 1922	 for bringing the income of the assessee for the assessment year 1948 49 to tax. The assessee flied his return. In the course of the assessment proceedings the I.T.O. called upon the assessee to explain the nature and source of the capital of Rs. 3	33	414/ . The assessee contended that he brought the gold Rawa	 ornaments and cash representing the capital when he migrated from Lahore and they were kept in a sealed trunk with the bank at Amritsar and thereafter brought over to Delhi and deposited in the Safe Deposit Vault of Hindustan Commercial Bank at Delhi. When the business of the asses see was commenced	he surrendered the locker and brought the entire gold	 jewellery and cash into the business. The assessee observed that till he started his business in March 1948	 neither the 	assessee nor Roshan Lal had any other business or means of income from which the amount of Rs. 3	33	414/ could have been earned. The assessee examined some witnesses. The ITO also examined the broth ers of Roshan Lal who stated that the father of Roshan Lal was a man of ordinary means who was almost reduced to penury by about 1940 and that he had given a sum of Rs. 2000/ to his son Roshan Lal for starting gold and jewellery business in 1935 and he had also subsequently lent some tooroes to Roshan Lal on nominal interest. The Income Tax Officer rejected the explanation offered by the assessee and came to the conclusion that it was not possible to believe that the assessee had been able to accumulate capital to the extent of Rs. 3.33	414/ out of income from the business carried on. The Income Tax Officer gave credit for a sum of Rs. 20	000/ and treated the balance of Rs. 154 3	30	414/ as income of the assessee from undis closed source. On appeal	the Appellate Assistant Commis sioner allowed a further sum of Rs. 80	000./ on the follow ing grounds: (1) That the assessee transferred a sum of Rs.12	004/ 	Rs./3	000/ and Rs. 6	000/ from Banks as Lahore to the Bank at New Delhi. This shows that the assessee was not a man of very small means while he was at La hore. (2) He was having accounts in 4 different Banks and a man of very modest means would not have normally so many Bank accounts. (3) While at Lahore. Roshan Lal had taken Life Insurance Policies worth Rs. 22.000/ . A number of letters and receipts regarding business transactions in Lahore Indicated that the Lahore business was not as small as the Income Tax Officer had taken it to be. The assessee stopped at Amritsar and opened an account and took Safe Deposit Vault where he deposited a sealed box. It is reasonable to presume that there must have been something quite valuable in the box. A further appeal filed by the assessee to the Tribunal failed. The tribunal	 when the appeal came to be heard	 put a question to Roshan Lal as to how he had brought gold and jewellery from Lahore and enquired about the weight of the box. The Tribunal after hearing the arguments of the parties rejected the appeal. The main arguments which weighed with the Tribunal were: (1) that the weight of the box was too less: (2) that the assessee did not disclose his assets under the scheme of the Government of India published in the Press Note in January 1952	 requiring all evacuees to declare the amounts of money brought by them from Paki stan. (3) that the assessee did not file any income tax returns in Lahore. The High Court con firmed the finding of the Tribunal in the reference. Allowing the appeal	 HELD: (1) The law is well settled that the onus of proving the source of a sum of money found to have been received by an assessee is on him. [160 E] A A.Govindaralulu Mudaliar vs Commissioner of Income Tax and Commissioner of Income Tax	 U.P. vs Devi Prasad Vishwanath Prasad followed. (2) The conclusion of the Tribunal on a finding of fact can be assailed only if it is shown that the Tribunal had acted without any matenal or upon a view of the facts which could not reasonably be entertained or the facts found were such that no person acting judicially and properly instructed as to the relevant law would have come to that determination. [161 C D]. Mehta Parikh & Co. vs Commissioner of Income Tax Bombay 	 followed. (3) The Tribunal was right in commenting that primary evidence with regard to the extent of the Lahore business of the assessee was not forthcoming but it must be remem bered that the assessee was being called upon to prove the extent of his business m a territory from which the member of the Hindu undivided family had to .flee for their lives and from where it was totally impossible to produce any primary evidence. The. finding of the AAC that the assessee was doing fairly well m the business m Lahore was not disturbed by the Tribunal. The .AAC found that it was reasonable to presume to at there Was something. quite valuable m the box .and this finding was also not dissented by the Tnbunal. There was no material to show that the orna 155 ments	 jewellery and cash brought by the assessee and kept in the sealed trunk were of the value of only Rs. 1 lac and not more. The circumstances that the assessee had not filed any Income Tax return could be of no avail to the Revenue because admittedly the assessee had brought substan tial amount from Lahore. [161 D G] (4) The Tribunal was wrong in relying upon certain answers given by Roshan Lal	 about the weight of the sealed box when he was questioned by the Tribunal at the hearing of the appeal. It must be pointed out straightway that the answer given by Roshan Lal could not be relied on by the Tribunal because there is a procedure prescribed in rules 29. 30 and 31 of the Income Tax Appellate Tribunal Rules for taking additional evidence before the Tribunal and if the members of the Tribunal wanted to examine Roshan Lal on any aspects of the case. they should have followed this procedure. The answers given by Roshan Lal disregarding the perscribed procedure could not form part of the record and the Tribunal was not entitled to rely upon the same. [162 H	 163 A C] (5) The Tribunal erred in relying on the Press Note be cause admittedly the assessee had brought a sum of Rs. 1 lac to India and even that was not declared to the Government of India. [163 E F] (6) There was no material on the basis of which the Tribunal could come to the conclusion that the ornaments. jewellery and cash were not worth than Rs. 1 lac. It was not proved that Roshan Lal or the assessee had any business or other means of income in India until 30.3.1948. The genuineness of the entry of March 1948 was also not chal lenged. It is utterly improbably amounting almost to impossibility that the assessee could have earned such a large amount of Rs. 2.33.414/ as profit within a few months in the disturbed conditions which then prevailed in India. [164 B E] (7) The Tribunal acted without any material and in any event	 the finding of fact reached by the Tribunal was unreasonable or such that no person acting judicially and properly instructed as to the relevant law would come to such finding. [164 F G]