**Exhibit 31.1**

CERTIFICATION PURSUANTTO RULE 13a-14(a) OF THE EXCHANGE ACT

I Vikram Gulati certify that:

|   | 1.     | I have   reviewed this Annual Report on Form 10-K of Intelligroup, Inc.;                                                                                                                                                                                                                                                           |
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|   | 2.     | Based on my   knowledge, this Annual 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 Annual   Report; |
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|   | 3.     | Based on my   knowledge, the consolidated financial statements, and other financial   information included in this Annual 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 presented in this Annual 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 15d-15(e)) for the registrant and we have:                                                                                          |
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|   |   | a.                                                                                                                                                                                                                                                                                                                                 | designed   such disclosure controls and procedures, or have caused such disclosure   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 others within those entities,   particularly during the period in which this Annual Report is being prepared; |
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|   |   | b.                                                                                                                                                                                                                                                                                                                                 | [Paragraph   omitted in accordance with SEC transition instructions contained in SEC   Release 34-47986] |
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|   |   | c.                                                                                                                                                                                                                                                                                                                                 | evaluated   the effectiveness of the registrant’s disclosure controls and procedures and   presented in this Annual Report our conclusions about the effectiveness of   the disclosure controls and procedures, as of the period covered by this   report based on such evaluation; and |
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|   |   | d.                                                                                                                                                                                                                                                                                                                                 | disclosed in   this Annual Report any change in the registrant’s internal control over   financial reporting that occurred during the quarter ended December 31, 2006   that has materially affected, or is reasonably likely to materially affect,   the registrant’s internal control over financial reporting; |
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|   | 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 the registrant’s board of   directors (or persons performing the equivalent function):              |
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|   |   | a.                                                                                                                                                                                                                                                                                                                                 | all   significant deficiencies and material weaknesses in the design or operation   of internal controls 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 controls over financial   reporting. |