B.Tech

It depends upon your son's caste. During option entry after verification of documents, you can enter the top graded colleges from the top with as many number of college entry can be made. Your son can get a good college. All the best.

Kindly use the college predictor app. I hope this will resolve your query.
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
All the best.

Kindly use the college predictor app. I hope this will resolve your query.
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
All the best.

Go to this link for more information.
https://www.hotcoursesabroad.com/india/find-your-course/how-to-choose-the-right-course/career-options-for-computer-science-engineering-graduates/

In Karnataka:
1. Acharya Institute of Technology

As per me, it would better if go through B.Sc + M.Sc combination, definite chances of getting job for sure.

Vignan University, Guntur
Jawaharlal Nehru Technological University College of Engineering, Kakinada
Andhra University, College of Engineering, Visakhapatnam
Sri Venkateswara University College of Engineering, Tirupati
Kakatiya Institute of Technology and Sciences
GMR Institute of Technology, Rajam
Sagi R

Based on the marks, it may be a bit difficult for a candidate to get admission in B.Tech CSE because CSE cut-off is the highest in all the colleges.