EXHIBIT 4.2 CERTAIN PORTIONS OF THIS EXHIBIT HAVE BEEN OMITTED BASED ON A REQUEST FOR CONFIDENTIAL TREATMENT OMITTED PORTIONS HAVE BEEN SEPARATELY FILED WITH THE SECURITIES AND EXCHANGE COMMISSION MEMORANDUM OF AGREEMENT INTERNATIONAL TELECOMMUNICATION SERVICES BETWEEN VIDESH SANCHAR NIGAM LIMITED. AND AT&T CORP. ACCOUNTING RATE AND DIVISION OF REVENUE This memorandum dated April 15, 2002 represents an agreement between Videsh Sanchar Nigam Ltd. (VSNL) and AT&T Corp. to apply the following Total Accounting Rate for Telephone Services between VSNL in India and AT&T in the United States, which includes Alaska, Hawaii, Puerto Rico and the US Virgin Islands. EFFECTIVE DATE ACCOUNTING RATE VSNL AT&T - -------------- ---------------- ---------------- ---------------- April 1, 2002 - June 30, 2002 $[text redacted] $[text redacted] $[text redacted] The accounting rate shall be applied to each conversation minute of use and shall be shared equally. Minutes of traffic upon which settlements are paid will be measured using accumulated seconds. The sender pays all transit method would be effective during the Term of this Agreement. The concurrence below evidences the intent of the regional representative of AT&T to present this agreement for approval by AT&T's duly authorized representative. This agreement shall become binding only upon execution by the duly authorized representatives of AT&T and VSNL. CONCURRED ON BEHALF OF AT&T CORP., APPROVED ON BEHALF VSNL /s/ Joy Dalley /s/ Arun Gupta - ---------------------------------- --------------------------- Name: Joy Dalley Name: Arun Gupta Title: Route Management Title: Exec. Director (F&A) Date: Date: ---------------- ---------------- 1 Approved on behalf of AT&T Corp., /s/ Mark Miller - --------------------------------- Name: Mark Miller Title: Managing Director Route Management Date: 5/21/2002 2