Hello there

Talking about the eligibility criteria, then you must have to complete your 10 + 2 or any other equivalent degree from any recognised board with a minimum of aggregate 50% marks so as I can see that you have got 78% so definitely you are eligible.

BSC psychology is a 3 year undergraduate  course which deals with the fundamental mental science and into this candidates understand human nature along with the study of human behaviour with various stimuli.

For more information about this course you can refer to this link:

https://www.careers360.com/courses/bsc-in-psychology

There are various good colleges in India which offers  this course and admission is based either by merit of class 12th marks or by the entrance examination conducted by the University Or college itself.

Here is the link from which you can see various colleges which offer this course.

https://university.careers360.com/colleges/list-of-psychology-degree-colleges-in-india

I hope it helps you!

Good luck!