Computer Science Engineering is a branch which is offered in most of the top IITs and NITs, the premier among them being IISc, IIT-Mumbai, IIT-Madras, IIT-Delhi and IIT Kharagpur.
Students pursuing B.Tech or B. E. in Computer Science Engineering can answer the GATE Computer Science Engineering paper. The test covers 6-7 major subjects: Databases, Algorithms, Operating Systems, Computer Networks, Digital Logic, etc. It also tests students on Engineering Mathematics and General Aptitude.
Students who qualify in the GATE exam can apply to these colleges. GATE score is also valid for quite a few companies like ONGC, ISRO, DRDO, BSNL, etc. Even some private companies give preference to GATE qualified students.