Hello Ganesan,
In order to take admission for this course you have to appear for JEE entrance examination as all the top institutes such as IITs ,NITs and government colleges conduct their admission process based on the score of JEE Advance whereas private institutes generally consider the score of JEE main.
To become eligible for JEE Advance you have to first qualifiy JEE mains.
The syllabus for this exam is based on Physics , Chemistry, and Mathematics.For more details regarding this examination please visit link given below,
https://engineering.careers360.com/articles/jee-main-syllabus
Some of the top colleges offering this course are,
1.Indian Institute of Technology, Powai, Mumbai .2.IIT, Kharagpur 721302 (WB) .3.Indian Institute of Technology, Chennai 600036 (Tamil Nadu) .4.Madras Institute of Technology, Chennai 600044 (Tamil Nadu) .5.Hindustan Inst of Engineering Technology, 40 GST Road, P.O.Box No.1306, St. Thomas Mount, Chennai 600016 (Tamil Nadu).6.Nehru College of Aeronautical and Applied Sciences, Coimbatore (Tamil Nadu).7.School of Aviation Science and Technology, Delhi Flying Club, Safdarjung Airport, New Delhi.8.Punjab Engineering College, Chandigarh.9.IIT, Kanpur .10.Indian Institute of Aeronautics, Patna Airport, Patna 800014 (Bihar).
11.Institute of Aviation Technology, Sector 6, Bahadurgarh, Haryana .
All the Best.
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