Tehsildar is denying for mutation of registered property

Dear sir/Madam. I purchaged property in public auction.Sbi bank auctioned mortgage property through civil court.revenue department executed auction of sbi bank mortgeged property through court order.I held successful bidder.And civil court issued sale certificate in my favour. I paid registration fees and property got registered in my name.now tehsildar is denying mutation as document is showing second charge of Cooperative bank for rs 1lack Please advice me what should i do to mutate this property in my name