Sreyanth, 

Last year closing rank (CRL)  for various branches in IIITD was

A) Delhi Region

 Computer Science and Applied Mathematics 198801

 Computer Science and Biosciences 293392

 Computer Science and Design 189770

 Computer Science and Engineering 141382

 Computer Science and Social Sciences 278867

 Electronics and Communication Engineering 242453

B) Outside Delhi Region

 Computer Science and Applied Mathematics 76445

Computer Science and Biosciences 111584

Computer Science and Design 90013

 Computer Science and Engineering 70866

 Computer Science and Social Sciences 101305

 Electronics and Communication Engineering 102183

Hope it helps