Dear aspirant,
B.Tech Admissions on the basis of Class 12th
1. Tamil Nadu Engineering Admissions aka TNEA
2. Rajasthan Engineering Admission Process or REAP
3. Madhya Pradesh B.E. Admission
4. Punjab B.Tech Admission
5. Sastra University
Hope it helps.

Hi. 

Yes there are colleges that take admission on basis of 12th marks like:

Punjab btech college

Sastra university

Colleges under TMEA

REAP

KIET, ghaziabad

SSN chennai

JIIT, Noida

All the best. 

Dear Student,

There are number of good colleges which takes admission on the basis of class 12th marks for Btech, there names are provided in the link given below:

https://engineering.careers360.com/articles/btech-admissions-on-basis-of-class-12th