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 Form 10-Q of Cognizant Technology Solutions
Corporation (the "Company") for the period ended September 30, 2002 as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
the undersigned, Wijeyaraj Mahadeva, Chairman of the Board and Chief Executive
Officer of the Company, hereby certifies, pursuant to 18 U.S.C. Section 1350,
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.


                                         /s/ Wijeyaraj Mahadeva
                                         ----------------------
Dated:  November 14, 2002                Wijeyaraj Mahadeva,
                                         Chairman of the Board and Chief
                                         Executive Officer (Principal Executive
                                         Officer)

                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 Form 10-Q Cognizant Technology Solutions
Corporation (the "Company") for the period ended September 30, 2002 as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
the undersigned, Gordon Coburn, Chief Financial Officer and Treasurer of the
Company, hereby certifies, pursuant to 18 U.S.C. Section 1350, 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.


                                         /s/ Gordon Coburn
                                         -----------------
Dated:  November 14, 2002                Gordon Coburn,
                                         Chief Financial Officer and Treasurer
                                         (Principal Financial and Accounting
                                         Officer)