Hello student to get admission in to engineering college like NIT's CFTIs IIITS and IIT there's only one entrance examination Jee main.

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.

Apart from Jee main some more entrance examination for B.tech are mentioned below -
1)VITEEE
2)SRMJEE
3)BITSAT
5)MET
I request you to please help me with your preferable college so that I can provide you more exact information.

Feel free to comment if you have any doubt
Good luck