Hello student
First of all congratulation for performing well in your exams. With 31000 rank in EAMCET 2019 you will be able to get admission in BSC agriculture. Now I am sharing you the list of the colleges with this rank you can get admission in these colleges:

• Acharya NG Ranga Agricultural University

• Loyola Academy degree and PG college

• Professor Jayashankar Telangana State Agricultural University

• Sri konda Laxma Telangana State Horticulture University

Based on your criteria you have chances of getting seat in these colleges. Use www.careers360.com for more colleges search.
I hope this helps you. 
All the best!!