Exhibit 4.29 -----------,---------INDIA   NON JUDICIAL i ---,'I Government of National Capital Territory of Delhi   -·--·-·--·---·--#---··-· -·---·---------·-·--··--· ·-------·   ·--·-··---·-·-··--·-e-Stamp Certificate No. Certificate Issued Date Account   Reference Unique Doc. Reference Purch(l.sed by Description of Document   Property Description Consideration Price (Rs:r· :-:   ::.,:_>-t=:-:·o.-04-Jun-2019 05:45PM c;CO'-' 0"'"' ''i I i I -   IMPACC (IV)/ di960303/DELHI/ DL DLH SUBIN-DLDL960303027130443833S:3} ::.I':   .. '·.·-·-···, AIR TRAVEL BUREAU PVT LTD Article 5. General Agreement --' ,   ·r · Not Applicable 0 (Zero) . First Party Second Party Stamp Duty Paid By   Stamp Duty Amount(Rs.) AIR TRAVEL BUREAU PVT LTD ICICI BANK LIMITED AIR   TRAVEL BUREAU PVT 300 - ·. ,,jThree Hundred only) -0'oF-'j  --------.   ----------------------.Please write or type below this line  .' :! i'   I. This stamp paper forms an integral part of Supplemental and Amendatory   Agreement dated oih June,' · 2019 between M/s Air Travel Bureau Private   Limited and !CCI Bank Limited




SUPPlEMENTAL   AND AMI=l\lDATORV AGRiE:EiV11EJ,lT TO TH!E fACl!JTV AGR!EiEMENlf "· THIS   SUPPLEMENTAL AND AMENDATORY AGREEMENT made on this ih day of June, Two   Thousand and Nineteen between : AIR TRAVEL BUREAU PRIVATE LIMITED (Formerly   known as AIR TRAVEL BUREAU LIMITED), a company within the meaning of the   Companies Act, 1956 and having its Registered Office at M-95, Connaught   Circus , New Delhi -110001 "the "Borrower", which expression   shall, unless it be repugnant to the subject or context thereof, include its   successors and permitted assigns) of the ONE PART AND ICICI BANK LIMITED, a   company incorporated under the Companies Act, 1956 and a banking company   within the meaning of the Banking Regulation Act, 1949 and having its   Registered Office at ICICI Bank Tower, Near Chakli Circle, Old P dra Road   Vadodara 390 007 and corporate office at ICICI Bank Towers, -Bandra   KurlaComplex;B<mdra·'\East), Mumbai-400 051, and amongst others;--a branch   I office-at-at ICICI Bank, NBCC Place, Pragati Vihar, Bhisma Pitamah Marg,   New Delhi - 110003 (the "Bank", which expression shall, unless it   be repugnant to the subject or context thereof, include its successors and   assigns) of the OTHER PART. . WHEREAS: (1) By a Facility Agreement dated the   161 h day of August Two Thousand and Eighteen as amended from time to time   (the "Agreement"') entered into between the Borrower and the Bank,   the Bank has, at I the request of the Borrower, agreed to provide I provided   to the Borrower working capital facilities (the . "WCFacilities")   specified in the Agreement upto sums in the aggregate not exceeding Rs 1100.0   million (the "Overall Limits") at any point of time. (2) The   Borrower has now requested the Bank to : (i) renew I extend the Validity   Period I period ofdrawal of the WC Facilities for a further period of 12   months i.e. upto 061 h May, 2020. (ii) modify the Limits/ modify or permit   interchangeability between the various WC Facilities I (iii) provide   additional fund based working capital product in the form of iinvoice   discounting of Rs 200.0 million within the Overall Limit as specified in the   Renewal_ Credit Arrangement Letter j No.108917829855 dated 281 May, 2019   ("Renewal CAL"). h 0103201S.V4-




(3) To give   effect to the above, the parties hereto have agreed to execute these   presents. - NOW THIS SUPPLEMENTAL AND AMENDATORY AGREEMEi\lT WITNESSETH AND   IT IS HEREBY AGREED BV AND BETWEEN THE PARTIES HERETO AS FOLLOWS: 1. All   capitalized terms used but not defined herein shall have the respective   meanings assigned to them under the Agreement. 2. The amount of Rs 1100.0   million appearing in Credit Arrangement Letter (CAL) No.   CAL1388260428831dated August 14, 2018 stands changed as follows: "Rs   1100.0 million"and shall be governed by the terms and conditions as   stated herein, the Renewal CAL and the'Ag'reement. 3. Amendments to the   Agreem ?nt: (i) Clause 2.6 of the Agreement stands modified and replaced with   the following clause: "The Borrower confirms having received a copy of   the General Conditions and read and understood the General Conditions   referred to above and agrees to comply with the terms set out in this   Facility Agreement, the CAL, the Schedule hereof, the General Conditions and   the other Transaction Documents. Provided however that in so far as Article X   of the General Conditions, the Borrower will be required to comply with only   Parts B and C of such Article." i (ii) Credit Arrangementletter as sp   cified in the Sched'ule to theAgreement stands modified as under: ' "The   CAL no. 108917829855 dated 28th May, 2019 as amended/modified/renewed from   time to time, most recently renewed vide Renewal CAL, as further   amended/renew,ed from time to time." I  I 4. The Borrower hereby   confirms that the invoice. bill discounting facility of Rs. 200 million shall   also be secured and be backed by the contractual comforts as specified under   the Agreement. 5. The provisions of this Supplemental and Amendatory   Agreement shall become effective from the date hereof. ·\ ! 6. This   Supplemental and Amendatory Agreement shalf be read in conjunction with the   Agreement and be enforced as if the provisions of this Supplemental and   Amendatory Agreement were incorporated therein by way of addition. To the   extent of any inconsistency between the terms of this Supplemental and   Amendatory Agreement and the Agreement,-the provisions of this Supplemental   and Amendatory Agreement shall prevail. ::-. . /( \' ,,, ,,· " :7,   l<t> · · >,;::;:D> 0.1.03.2Dj.S.V4 · :.'vv-V. --/   t"""\




7. Save for   changes specified hereinabove, all the other terms and conditions of ·the   Agreement shall remain· unchanged and in full force and effect. '· IN WITNESS   WHEREOF the Borrower and the Bank have caused this Supplemental and   Amendatory Agreement to be executed on the day, month and year appearing.   first hereinabove written as hereinaftei' For the Bank : SIGNED AND DELIVERED   by the withinnamed Bank, ICICI BANKLIMITED,by the hand of Mr. / Ms. _, its   authorized official for the Borrower : The Common Seal of the within named   Borrower, Air Travel Bureau Private Limited, has, pursuant to the resolution   of its Board of Directors, passed in that behalf on the 23rd day of July,   2018, hereunto been affixed in the presence of Mr. Naren Nautiyal 3