B.Sc

Hello,
You need to give the entrance test, which they conduct every year. There are no direct admission process I am afraid. All the best.

In my knowledge, your grades seem fair. You should be able to make it up to the cut off mark.

You have to check the university website for the same.

Yes, you can very well get admission in this college. All the best.

These days many people are doing PG in yoga. Go ahead. Many companies and people demand yoga trainers these days. All the best.

Go for M.Sc, and you can do certain Diplomas side by side.

Use this:https://www.shiksha.com/college-predictor

You can compare it from the given link
https://www.shiksha.com/resources/college-comparison.

Total 50 seats are available for BSc geology in Ravenshaw University. In order to get admission here, you need minimum 50% in 10+2 from a recognised board. So yes, you are eligible to apply for the course.
All the best.