Hello Sandhya,

Yes you can easily get a government college through ap eamcet as you have scored a decent rank in it.Also your category will favour your.If you didn't get a seat in 2st round than you can try for 2nd round.some of the good colleges i am mentioning below which you can try for 

Agriculture College, Bapatla

S.V. Agricultural College, Tirupati

Agricultural College, Naira

College of Agriculture, Rajahmundry

Agricultural College, Mahanandi

Dr. YSR Horticultural University, Venkataramanagudem

Acharya NG Ranga Agricultural University : Agricultural College, Bapatla (Andhra Pradesh)

College of Agriculture, Jagtial

Agriculture College, Aswaraopet

Acharya NG Ranga Agricultural University

And some more are there.

Hope it will help

All the best