Hello aspirant,

In Engineering colleges, direct admission can be based on candidate's JEE MAINS Exam score and 10+2 percentage and there are also exams on State or University level to take direct admission in engineering college ,on that examination scores you can take direct admission in that perticular engineering College.

If you want to get admission from b category then you have to get the complete information of the college you want to know if they are taking such exams.

ADDITIONAL : you can also predict all types of colleges according to your state and choices through the following link...

https://engineering.careers360.com/jee-main-college-predictor?utm_source=qna&utm_medium=jee_cp

Hope this helps

All the best for your Future !