EXHIBIT 99.1

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350
                             As Adopted Pursuant to
                  Section 906 of the Sarbanes-Oxley Act of 2002

         In connection with the Annual Report and Transition Report on Form 20-F
of Silverline Technologies Limited (the "Company") for the fiscal year ended
March 31, 2002, and the transition period from April 1, 2002 to June 30, 2002,
as filed with the Securities and Exchange Commission on the date hereof, I, Ravi
Subramanian, Chairman and Chief Executive Officer of the Company, certify,
pursuant to 18 U.S.C. (S)1350, as adopted pursuant to (S)906 of the
Sarbanes-Oxley Act of 2002, that:

         (1)  The Report fully complies with the requirements of section 13(a)
or 15(d) of the Securities Exchange Act of 1934; and

         (2)  the information contained in the Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

Dated:  February 15, 2003               By:   /s/ Ravi Subramanian
                                            ------------------------------------
                                            Ravi Subramanian
                                            Chairman and Chief Executive Officer

This certification accompanies this Annual Report and Transition Report on Form
20-F pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 and shall not,
except to the extent required by such Act, be deemed filed by the Company for
purposes of Section 18 of the Securities Exchange Act of 1934, as amended.