Psychology

You will get full Information here.
https://www.shiksha.com/humanities-social-sciences/psychology/course/m-a-in-psychology-lady-shri-ram-college-for-women-lajpat-nagar-delhi-88547

Bachelor's degree
Diploma in Criminology is a one-year full-time Diploma level course best suited for students pursuing a career in Law. The eligibility to seek admission shall remain a Bachelor's degree in the related domain for some colleges while few others require a Bachelor's degree in law.

No, B.Sc Psychology is not offered by SASTRA.

Yes, you will, but the pay would depend on many other factors

There are plenty of courses for the same across the country. But admission procedure varies from institution to institution.

Unfortunately, you are not eligible to apply for a Master's degree in psychology because you don't have minimum grades/percentage which is 55%.

For getting admission for MA in psychology you have to apply for general admission forms that come around March every year and appear for an entrance examination. After qualifying the entrance you will get admission to the course by completing documentation and fees payment.