Hello Deekshi,
Jain University, Bangalore takes B.Tech admissions based on entrance exam like COMEDK UGET, Uni-Gauge-E and JET. Without entrance exam you cannot get admission into the college. If you are looking for paid seats then you may require to pay donation.
Candidates must have minimum 40 percentage to 45 percentage based on their Category in 10+2 from a recognised Board. Candidates applying through JET must have 55 percentage to 60 percentage based on their Category in 10+2 from a recognised Board.
For more information go through below link.
https://www.careers360.com/colleges/school-of-engineering-and-technology-jain-university-bangalore/btech-computer-science-and-engineering-course
Hope this helps you.
All The Best!!
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