Hello student there are 23IITS And 31NITS across India which all are top rated engineering college to get into these colleges you need to appear and clear the Jee main entrance examination.

JEE main eligibility - candidates must passed or appearing class 12 with physics chemistry and mathematics with minimum 75 percent marks aggregate from a recognized board.

There're also some top Rated Private engineering college as mentioned below -

1) Bits Pilani

2)SRM Chennai

3)Manipal Institute of Technology

4)Vellore institute of Technology.

Feel free to comment if you have any doubt

Good luck