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Exhibit 99.6

CHIEF EXECUTIVE OFFICER CERTIFICATION

I, Nandan M. Nilekani, certify that:



|1. |  | I have reviewed this annual report on Form 20-F, as amended by this
Amendment No. 1, of Infosys Technologies Limited;                                                                                                                                                                                                                                                                            
|-- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|  
|2. |  | Based on my knowledge, this annual report, as amended by this Amendment
No. 1, does not contain any untrue statement of a material fact or omit to
state a material fact necessary to make the statements made, in light of
the circumstances under which such statements were made, not misleading
with respect to the period covered by this annual report, as amended by
this Amendment No. 1.

|                   |  |                                           
|------------------ |  | ------------------------------------------
|Date: May 13, 2003 |  |                                           
|                   |  | /s/ Nandan M. Nilekani                    
|                   |  |                                           
|                   |  | Nandan M. Nilekani
Chief Executive Officer

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CHIEF FINANCIAL OFFICER CERTIFICATION

I, T.V. Mohandas Pai, certify that:



|1. |  | I have reviewed this annual report on Form 20-F, as amended by this
Amendment No. 1, of Infosys Technologies Limited;                                                                                                                                                                                                                                                                            
|-- |  | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|  
|2. |  | Based on my knowledge, this annual report, as amended by this Amendment
No. 1, does not contain any untrue statement of a material fact or omit to
state a material fact necessary to make the statements made, in light of
the circumstances under which such statements were made, not misleading
with respect to the period covered by this annual report, as amended by
this Amendment No. 1.

|                   |  |                                          
|------------------ |  | -----------------------------------------
|Date: May 13, 2003 |  |                                          
|                   |  | /s/ T.V. Mohandas Pai                    
|                   |  |                                          
|                   |  | T.V. Mohandas Pai
Chief Financial Officer

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