Narayana Multi Speciality Hospital — Misleaded operation and high bill amount

My father name is Rajeshwar prasad with MRN :[protected] and was admited yesterday in narayana hospital mukundpur kolkata as authorised by dr TK shah for operation for OIU which was to be held today at 10am but when the operated on my father and informed me that the operation was done ...but the problem is they did not operate for OIU operation which was for estimate rs 35000 but for enlarged postate which estimate rs 85000 now they are saying to pay the amount..I got to the adminstrater for the problem of funds and misleaded operation without my knowledge but they told me to me to talk to doctor ..This is a misled and careless approach to situation .So please look into the matter and try to solve the situation as soon as possible ...