1) you can issue legal notice to park medi claim for deficiency in service and seek compensation for interest paid by you and for mental torture undergone by you
2)you can seek compensation for delay in settling your claim .
3) in your complaint you must mention that you borrowed money from market and paid interest for your surgery and hospitalisation expenses
4) enclose evidence of loan taken and interest paid .
5) also seek payment of costs for filing complaint before consumer forum
5) contact a local lawyer .