Exhibit 31.2

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

I Alok Bajpai 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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| | 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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|DATE:  March 29, 2007 | By: | /s/                      
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|                      |     | Alok Bajpai              
|                      |     | Chief   Financial Officer