Hi bhagya lakshmi,

"Yes income certificate is compulsory" for fees reimbursement.

And for more information about fees reimbursement structure and what are the things you make it ready for applying reimbursement check in given link below :-

https://www.careers360.com/question-eligibility-for-full-fee-reimbursement-ap-eamcet

Best of luck!!

Thank you::)