hey bhuvana, for Ap eamcet you can get the following colleges.And free seat means you need to pay the amount decided by the university during counselling and if you can get fee reimbursement you need to go for certificate verification at EAMCET helpcenters provided by govt.

Krishnadevaraya University(govt)

ANU(govt)

RVR and JC college

Andhra Loyola

Sri Vidyanekethan

SRKR college

for more college info for your rank check:https://www.careers360.com/ap-eamcet-college-predictor

All the best!