Summarize the following court judgment. Appeal No. 141 of 1959. Appeal by special leave from the Award dated July 19	 1958	 of the Fourth Industrial Tribunal	 West Bengal	 in Case No. VIII 240 (166)/57. C. K. Daphtary	 Solicitor General of India	 Vidya Sagar and B. N. Ghosh	 for the appellants. P. K. Sanyal and P. K. Chakravarty for R. C. Datta	 for the respondents. March 23. The Judgment of the Court was delivered by DAS GUPTA	 J. On December 13	 1957	 the Government of West Bengal referred under section 10 of the Industrial Disputes	 Act the following dispute between M/S. Northbrook Jute Co.	 Ltd.	 and Dalhousie Jute Mills Who are appellants before us and their workmen: 47 366 " Do the proposals of rationalisation in the above two mills involve any increase in workload ? If so	 what relief the workmen are entitled to ?" Almost a month before this the proposal of introducing a rationalisation scheme in time mills of these companies had been considered at an extraordinary meeting of the Works Committee and the Committee had agreed to the proposal. A notice tinder section 9A of the was then given by the companies to the Unions of their workmen and it was because the workmen objected to the introduction of the rationalisation scheme that the dispute arose and was refer red by the Government to the Tribunal. On December 16 when the above reference was pending before the Tribunal the management. of these mills put the rationalisation scheme into operation but the workmen refused to do the additional work placed on them by the scheme. Later the same day the mills declared a lock out. Work was however resumed again in all departments excepting the weaving and finishing departments on December 20	 and in these two departments on December 21	 as a result of a settlement arrived at between the workmen represented by their Unions and the Mills as regards the introduction of the rationalisation scheme. But a dispute arose as regards the payment of wages to workmen for their dues during the period when the mills were closed	 viz.	 16th December to 20th December in the weaving and finishing departments and 16th December to 19th December in all other departments. This dispute was also referred to the Tribunal by an order of the Government dated February 1	 1958. The earlier issue as regards the proposed introduction of the rationalisation scheme was also amended in view of what had happened in the meantime by substituting therefore : " Have the rationalisation effected in the above two mills since 16th December	 1957	 involved any increase in the workload ? To what relief the workers are entitled to ?" We are no longer concerned with this issue as the decision of the Tribunal thereon which is against the workmen is no longer disputed. As regards the other two disputes the Tribunal has made an award in favour of the 367 workmen that they are entitled to wages for the period of absence above mentioned. On this question the workmen 's case before the Tribunal was that the reason that workmen could no do any work on the days in question was the illegal look out by the employers; the employer 's case was that the workmen had struck work illegally	 and so the closure of the mills on the 16th of December after such strike was not illegal or unjustified. The Tribunal was of opinion that the eimloyer 's attempt to put the rationalisation scheme into effect on the 16th December was a contravention of section 33 of the 	 and so	 the workmen 's refusal to works in accordance with that scheme was not an illegal strike and the employer 's closure of the mills was illegal. Learned counsel for the employer mills has tried to convince us that they had acted in accordance with law	 in introducing the rationalisation scheme on the 16th December. He pointed out that the Works Committee duly constituted under the Act had considered the scheme and approved of it	 and argued that as the workmen 's representatives on the Works Committee bad agreed to the scheme	 the workmen themselves should be taken to have agreed to it. That the workmen 's representatives on the Works Committee agreed to the introduction of the scheme by the companies " whenever they desired " is established by a copy of the resolution of the Works Committee. It has to be noticed however that the workmen 's representatives on the Works Committee do not represent the workmen for all purposes	 but only for the purpose of the functions of the Works Committee. Section 3(2) of the Act sets out the functions of the Works Committee in these words: " It shall be the duty of the Works Committee to promote measures for securing and preserving amity and good relations between the employer and workmen and	 to that end to comment upon matters of their common interest or concern and endeavor to compose any material difference of opinion in respect of such matters. " 368 The language used by the Legislature makes it clear that the Works Committee was not intended to supplant or supersede the Unions for the purpose of collective bargaining ; they are not authorised to consider real or substantial changes in the conditions of service; heir task is only to smooth away frictions that might rise between the workmen and the management in day to day work. By no stretch of imagination can it be said that the duties and functions of the Works Committee included the decision on such an important matter as the alteration in the conditions of service by rationalisation. " To promote measures for securing and preserving amity and good relations between the employer and workmen " is their real function and to that end they are authorised to " comment upon matters of their common concern or interest and endeavour to compose any material difference of opinion in respect of such matters	 The question of introduction of rationalisation scheme may be said to be a matter of common interest between the employers and workmen; but the duty and authority of the Works Committee could not extend to anything more than making comments thereupon and to endeavour to compose any material difference of opinion in respect of such matters. Neither  comments" nor the " endeavour " could be held to extend to decide the question on which differences have arisen or are likely one way or the other. It was rightly pointed out by the Labour Appellate Tribunal in Kemp and Company Ltd. vs Their Workmen( ') that: " the Works Committees are normally concerned with problems arising in the day to day working of the concern and the functions of the Works Committee are to ascertain the grievances of the employees and when occasion arises to arrive at some agreement also. But the function and the responsibility of the works committee as their very nomenclature indicates cannot go beyond recommendation and as such they are more or less bodies who in the first instance endeavour to compose the differences and the final decision rests with the union as a whole. " The fact that the 'workmen 's representatives on the Works Committee agreed to the introduction of the (1) 369 rationalisation scheme is therefore in no way binding on the workmen or their Union. The next argument was that whatever alteration was effected in the conditions of service	 was made	 on the date when notice under section 9A was given and that being before the 13th December there was no contravention of section 33. There is in our opinion no substance in this contention	 Section 9A in accordance with which the notice was given provides that " No employer who proposes to effect any change in the conditions of service applicable to any workmen in respect of any matter specified in the Fourth Schedule	 shall effect such change (a) without giving to the workmen likely to be affected by such a notice in the prescribed manner of the nature of the change proposed to be effected; or (b) within twenty one days of giving such notice;". With the proviso to the section we are not concerned. What is important to notice is that in making this provision for notice the Legislature was clearly contemplating three stages. The first stage is the proposal by the employer to effect a change; the next stage is when he gives a notice and the last stage is when he effects the change in the conditions of service on the expiry of 21 days from the date of the notice. The conditions of service do not stand changed	 either when the proposal is made or the notice is given but only when the change is actually effected. That actual change takes place when the new conditions of service are actually introduced. It necessarily follows that in deciding for the purpose of section 33 of the Act	 at what point of time the employer " alters " any conditions of service	 we have to ascertain the time when the change of which notice under section 9A is given is actually effected. If at the time the change is effected	 a proceeding is pending before a Tribunal	 section 33 is attracted and not otherwise. The point of time when the employer proposes to change the conditions of service and the point of time when the notice is given are	equally irrelevant. It was further contended that in any case	 the alteration was not to the prejudice of the workmen. How such a contention can be seriously made is difficult to 370 understand. The whole basis of the scheme was so to allocate the machines to workmen	 as to enable fewer workmen to work the machines than the number previously required so that surplus workmen could be discharged. The object was to decrease the cost of production. The method adopted for attaining the object was to obtain more work from the workmen for approximately the same wages. However laudable the object be	 it cannot be doubted for a moment that the scheme prejudiced the workmen seriously. Mr. Fraser	 the company 's witness	 stated in his evidence that while previously for every machine in the batching department	 there were two hands	 now there are two hands for two machines. In giving the reasons for the introduction of the scheme	 he said " we had surplus labour in both the mills. The company was losing heavily. Till then we depended on natural wastage and did not think of rationalisation; in November last year	 the decision was taken to take action on rationalisation. " Rationalisation which was introduced had therefore two effects first that some workers would become surplus and would face discharge; and secondly	 the other workmen would have to carry more workload. The introduction of the rationalisation scheme was therefore clearly an alteration of conditions of service to the prejudice of the workmen. The alteration was made on the 16th December	 when reference as regards the scheme had already been made and was pending before the Industrial Tribunal. The Tribunal has therefore rightly held that this introduction was a contravention of section 33. Lastly it was contended that even if the introduction of the rationalisation scheme was a contravention of section 33 the workmen 's remedy lay in applying under section 33A	 and that they were not entitled to strike work. Section 33A no doubt gives the workmen aggrieved by the contravention by the employer of section 33 to apply to the Tribunal for relief; but the existence of this remedy does not mean that the workmen were bound to work under the altered conditions of service	 even though these were in clear contravention of law. When they refused to do the additional work which the 371 rationalisation scheme required them to do	 they refused to do work	 which the employer had no right in law to ask them to do. It is difficult to say that this amounted to a " strike" by the workmen; but even if it could be said to be a " strike " such strike was certainly not illegal or unjustified. Our conclusion therefore is that the Tribunal was right in its opinion that the closure of the mills by the employer amounted to an illegal lock out	 and the workmen	 unable to" work in consequence of the lockout	 are entitled to wages for the period of absence	 used by such lock out. The appeal is therefore dismissed with costs. Appeal dismissed.

A rationalisation scheme in the mills of the appellant com panies was agreed to by the Works Committee and a notice under section 9A of the 	 was given to the 365 Union of their workmen. The workmen	 however	 objected to the introduction of the scheme and the dispute was referred by the Government to the Tribunal on December 13	 1957. On December 16	 the management of the companies put the rationalisation scheme into operation but the workmen refused to do the additional work placed on them by the scheme. Later	 the same day	 the mills declared a lock out. Work was	 however	 resumed a few days later as a result of a settlement	 and a dispute arose as to whether the workmen were entitled to the payment of wages for the period during which the mills were closed: Held	 (1) that the workmen 's representatives on the Works Committee represented the workmen only for the purpose of the functions of the Works Committee and that the approval of the scheme of rationalisation by the Works Committee was not binding on the workmen or their Union. Kemp and Company Ltd. vs Their Workmen	 	 approved. (2) that the introduction of a rationalisation scheme was an alteration of conditions of service to the prejudice of the workmen. (3) that the alteration of conditions of service was made not when notice under section 9A of the was given but on December 16	 when the rationalisation scheme was put into operation	 and that as it was done when the reference was pending before the Tribunal	 it was a contravention of section 33 of the Act. (4) that the closure of the mills in the circumstances of this case by the employer amounted to an illegal lock out and that the workmen unable to work in consequence of the lock out were entitled to wages for the period of absence caused by such lock out.