Mechanical 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. NITIE is another college that is very popular amongst Mechanical Engineers.
Students pursuing B.Tech or B. E. in Mechanical Engineering can answer the GATE Mechanical Engineering paper. The test covers 6-7 major subjects: Strength of Materials, Thermodynamics, Industrial Engineering, Manufacturing Systems, Machine Design, 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, BSNL, GAIL, etc. Even private companies like L&T give preference to GATE qualified students.