Hello aspirant,

You have secured a good rank in SVU PGECET 2020. Yes, being a ST category candidate, you can be able to get a PG seat in Sri Venkateshwara University. According to your category and the rank secured in the entrance test, you will be allotted. But you have to choose one subject only, either Botany or Chemistry in order to pursue post graduation.

This link will help you to provide some more information-

https://www.careers360.com/university/sri-venkateswara-university-tirupati

Hope, it may help you.