1. Dear member, ESIC has its own referral and reimbursement system. Copies of few instructions issued by ESIC, in the past (which are in my knowledge) are uploaded hereunder. I think, you may go through the same and find out what procedure you are required to follow and how to comply with the said instructions so that it may not be difficult for you to get the reimbursement.
2. In brief, I may inform you that ESIS dispensary to which you are attached is the appropriate office from which you should have get your father referred to any private hospital for treatment in case of any emergency. I may suggest you to please contact ESIS dispensary alongwith your ESIC Identity Card/Family Identity Card and treatment papers etc. from said private hospital and discuss the issue. You can also check / verify your eligibility by the discussing the issue with the Branch Office of ESIC to which you are attached. With best wishes.