Hello Shikha,

There are abundant of colleges which give you admission based on your class 12 marks. Since you have asked this question which means that you don't want to go for any entrance test or any other procedure and directly enroll in the college. For instance I can give you the details of LPU i.e. Lovely Professional University situated in Punjab their of you want to get scholarship on fees then you can write an entrance exam otherwise you can directly get admission based on your class 12th marks.

I hope my answer have helped you and hope you do well in future.

Hello there,
There are various private colleges which can give you admission based on your 12th marks. Most of these colleges are located in Rajasthan,  Tamil nadu and Madhya Pradesh.
Some colleges of Delhi NCR also give admission on 12 marks,  such colleges are KIET Ghaziabad,  ABES engineering college,  Ghaziabad and various others.
Visit the following link for complete information about such colleges...
https://engineering.careers360.com/articles/btech-admissions-on-basis-of-class-12th