Engineering

You can aim for any college because most of the colleges have a decent weightage to CAT score. But you should keep one thing in mind that you don't have any advantage from your acads so you should work a little more harder than others to get a top college. That's it.

MS in data Science/ML would be the preferred one because ample of opportunities are available abroad in those fields.

We cannot say 100% but yes it's a fact that JK Lakshmipat University has shown outstanding placement growth in 2020, which showed an 80% increase in B.Tech. Placements and 85% in job offers for B.Tech. Students.
98% of B.Tech. Students from JKLU have been placed and prominent recruiters include TCS, Infosys, IBM, Cognizant, Compunnel amongst others. You can go and visit their website to know more about JKLU's B.Tech. Placements and courses they offer. One of the best universities in Rajasthan!

If you have completed your class 12th from the present college, then you can leave your present college. The college will provide you Leaving Certificate Character Certificate Mark sheet etc. These certificates are needed while applying for admission in other colleges.

Hello Devrishi, at first you need to be a student from Science stream. Then it is required to give entrance exams of at least one of the desired colleges. Also, for B.Tech in Biotechnology, you must be well versed with mathematics.