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EXHIBIT 31.1

CERTIFICATION PURSUANT TO
SARBANES-OXLEY ACT SECTION 302

I, Rajendra B. Vattikuti, certify that:



| | 1. |  | I have reviewed this report on Form 10-K of Covansys
Corporation;                                                                                                                                                                                                                                                                    
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| | 2. |  | Based on my knowledge, this report 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 report;                           
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| | 3. |  | Based on my knowledge, the financial statements, and other
financial information included in this report, fairly present
in all material respects the financial condition, results of
operations and cash flows of the registrant as of, and for, the
periods represented in this report;                                            
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| | 4. |  | The registrants other certifying officer and I are responsible
for establishing and maintaining disclosure controls and procedures
(as defined in Exchange Act Rules 13a-15(e) and 15(d)-15(e) and internal
control over financial reporting (as defined in Exchange Act Rules
13a-15(f) and 15d-15(f)) for the registrant and
have:



| | (a) |  | Designed such disclosure control and
procedures, or caused such disclosure control 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 others within those entities, particularly during the
period in which this report is being prepared;           
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| | (b) |  | Designed such internal control over financial reporting, or
caused
such internal control over financial reporting to be designed under
our supervision, to provide reasonable assurance regarding the
reliability of financial reporting and the preparation of financial
statements for external purposes in accordance with generally
accepted accounting principles;                
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| | (c) |  | Evaluated the effectiveness of the
registrants disclosure controls and procedures and
presented in this report our conclusions about the
effectiveness of the disclosure controls and procedures, as
of the end of the period covered by this report based on
such evaluation; and                                                                                                    
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| | (d) |  | Disclosed in this report any change in the
registrants internal control over financial reporting that
occurred during the registrants most recent fiscal quarter
(the registrants fourth fiscal quarter in the case of an
annual report) that has materially affected, or is
reasonably likely to materially affect, the registrants
internal control over financial reporting; and



| | 5. |  | The registrants other certifying officer and I have disclosed,
based on our most recent evaluation of internal control over
financial reporting, to the registrants auditors and the audit
committee of registrants board of directors (or persons performing
the equivalent functions):
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| | (a) |  | All significant deficiencies and material
weaknesses in the design or operation of internal control
over financial reporting which are reasonably likely to
adversely affect the registrants ability to record,
process, summarize and report financial information; and
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| | (b) |  | Any fraud, whether or not material, that
involves management or other employees who have a
significant role in the registrants internal control over
financial reporting.                                                                                               

/s/ Rajendra B. VattikutiChairman, Chief Executive Officer and PresidentDate: March 8, 2006