EXHIBIT 31
CHIEF EXECUTIVE OFFICER CERTIFICATION
I, Nandan M. Nilekani, Chief Executive Officer, President and Managing Directorof Infosys Technologies Limited, certify that:
1. I have reviewed this Annual Report on Form 20-F of Infosys TechnologiesLimited; 2. Based on my knowledge, this report does not contain any untrue statementof a material fact or omit to state a material fact necessary to make thestatements made, in light of the circumstances under which such statementswere made, not misleading with respect to the period covered by thisreport; 3. Based on my knowledge, the financial statements, and other financialinformation included in this report, fairly present in all materialrespects the financial condition, results of operations and cash flows ofthe registrant as of, and for, the periods presented in this report; 4. The registrant’s other certifying officer(s) and I are responsible forestablishing and maintaining disclosure controls and procedures (asdefined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrantand have:
 (a) Designed such disclosure controls and procedures, or caused suchdisclosure controls and procedures to be designed under our supervision,to ensure that material information relating to the registrant,including its consolidated subsidiaries, is made known to us by otherswithin those entities, particularly during the period in which thisreport is being prepared;  (b) Evaluated the effectiveness of the registrant’s disclosure controlsand procedures and presented in this report our conclusions about theeffectiveness of the disclosure controls and procedures, as of the endof the period covered by this report based on such evaluation; and  (c) Disclosed in this report any change in the registrant’s internalcontrol over financial reporting that occurred during the registrant’smost recent fiscal year that has materially affected, or is reasonablylikely to materially affect, the registrant’s internal control overfinancial reporting; and
5. The registrant’s other certifying officer(s) and I have disclosed, basedon our most recent evaluation of internal control over financialreporting, to the registrant’s auditors and the audit committee of theregistrant’s board of directors (or persons performing the equivalentfunctions):
 (a) All significant deficiencies and material weaknesses in the design oroperation of internal control over financial reporting which arereasonably likely to adversely affect the registrant’s ability torecord, process, summarize and report financial information; and  (b) Any fraud, whether or not material, that involves management or otheremployees who have a significant role in the registrant’s internalcontrol over financial reporting.    /s/ Nandan M. Nilekani *Chief Executive Officer, President and Managing Director*Date: May 7, 2004  
 

 

CHIEF FINANCIAL OFFICER CERTIFICATION
I, T.V. Mohandas Pai, Chief Financial Officer and Head-Finance andAdministration of Infosys Technologies Limited, certify that:
1. I have reviewed this Annual Report on Form 20-F of Infosys TechnologiesLimited; 2. Based on my knowledge, this report does not contain any untrue statementof a material fact or omit to state a material fact necessary to make thestatements made, in light of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report; 3. Based on my knowledge, the financial statements, and other financialinformation included in this report, fairly present in all materialrespects the financial condition, results of operations and cash flows ofthe registrant as of, and for, the periods presented in this report; 4. The registrant’s other certifying officer(s) and I are responsible forestablishing and maintaining disclosure controls and procedures (asdefined in Exchange Act Rules 13a-15(e) and 15d-15(e)) for the registrantand have:
 (a) Designed such disclosure controls and procedures, or caused suchdisclosure controls and procedures to be designed under our supervision,to ensure that material information relating to the registrant,including its consolidated subsidiaries, is made known to us by otherswithin those entities, particularly during the period in which thisreport is being prepared;  (b) Evaluated the effectiveness of the registrant’s disclosure controlsand procedures and presented in this report our conclusions about theeffectiveness of the disclosure controls and procedures, as of the endof the period covered by this report based on such evaluation; and  (c) Disclosed in this report any change in the registrant’s internalcontrol over financial reporting that occurred during the registrant’smost recent fiscal year that has materially affected, or is reasonablylikely to materially affect, the registrant’s internal control overfinancial reporting; and
5. The registrant’s other certifying officer(s) and I have disclosed, basedon our most recent evaluation of internal control over financialreporting, to the registrant’s auditors and the audit committee of theregistrant’s board of directors (or persons performing the equivalentfunctions):
 (a) All significant deficiencies and material weaknesses in the design oroperation of internal control over financial reporting which arereasonably likely to adverselyaffect the registrant’s ability to record, process, summarize and reportfinancial information; and  (b) Any fraud, whether or not material, that involves management or otheremployees who have a significant role in the registrant’s internalcontrol over financial reporting.    /s/ T.V. Mohandas Pai *Chief Financial Officer and Head – Finance and Administration*Date: May 7, 2004