Colleges in Coimbatore

You're eligible to apply for Ravenshaw University
All the best!

If you are planning to change college mid course, you would have to get approval from your planned college and present college. And yes supplementary would be a problem. Talk to your college authorities on whether they are flexible with the supplementary issue.

BE Bio technology has better job scope. Outside India the job scope and opportunities are plenty, and it's a good paying job.

You should check out the seats with the college website.

You can see this link for your details-:
https://www.shiksha.com/b-tech/course/b-e-in-computer-science-and-engineering-kumaraguru-college-of-technology-Coimbatore-243064.

Top 3 colleges in Coimbatore offering M.Sc in chemistry. Fees structure you can check from their official site given in the link:
1. Amrita Vishwa Vidyapeetam - https://www.amrita.edu/
2. Avinashilingam Institute for Home Science and Higher Education for Women- http://www.avinuty.ac.in/
3. Bharathiar University- http://www.b-u.ac.in/.

Easily you will get a seat in hit. But you need to provide a domicile certificate as there is no other state quota as such for WBJEE related universities but yes you will get a seat.

No, JEE Mains score and percentile is not accepted by GCT Coimbatore. However, during the counselling process conducted by JoSAA, you can select the branch that you want to study in a government college other than this and according to counselling rounds results you will be allotted a seat.

No, JEE Mains is not accepted by PSG College of technology and applied research.