Yes, with 70.8% in 12th, you can get direct admission in B.Tech CSE (without entrance) through management quota in private colleges.

Colleges like:

SRM, Manipal, LPU

Amity, Chandigarh Univ., Jain Univ.

Note: Fees will be higher than regular seats.

Hello ,

I hope you are doing well. As per your mentioned query , yes it is possible to get direct admission in Btech without any entrance exam. Many private institutions give direct admission on the basis of class 12th marks. But you have to check their admission policies first. Many colleges have some seat for the merit based students. Goverment colleges requires an entrance exam for admission but in private there is a chance. Contact the authorities of the private Colleges which are in your list. Then ask them about the admission procedure.

To know more you can refer this :

https://engineering.careers360.com/articles/btech-college-in-india-without-entrance-exam-fees-structure-fsa

I hope this helps you!