Ans:
The list of various branches in B.Tech courses available in India is huge !!! Here we go :
Computers, Information Technology, Electronics and Communication, Electronics, Electrical, Electronics and Electrical, Telecommunication, Mechanical, Mechatronics, Civil, Industrial, Structural, Automobile, Aeronautical, Agricultural, Mining, Petroleum, Environmental, Biotechnology, Biomedical, Instrumentation, Biochemical, Chemical, Food Technology, Production, Leather Technology, Marine, Material Science, Nuclear, Nanotechnology, Oil Technology, Metallurgical, Plastic Technology, Textile, Paint,