Here are some colleges in India for B.Tech CSE/BE-

1. IIT Delhi

2. Lovely Professional University Punjab , (NAAC A++)

3 SRM

4. Amity

5. IIT Roorke

Hello, sanjay.
That's good
So,  you want to do Bachelor of technology in computer science, the duration is of 4 years
Eligibility- 10+2 with physics, chemistry,and mathematics
Admission process- entrance exams jee mains,  LPUNEST, JET, BVP,AMITY, JEE etc.
Average course fee- INR 80,000 to INR 1,40,000 per semester
You will get further job options like software engineer, technology support manager etc
Salary- can be up to INR  5 to  15 Lac
U can further  do higher studies..
Good luck sanjay.