That is a difficult question to answer, as there are 4 types of tympanoplasty surgeries and 3 types of mastoidectomy surgeries with varying degrees of difficulty and surgical duration.
Hospitals bill surgical cases depending upon the time and equipment used in the case and upon the bed type under which patient has been admitted.
Branded corporate Hospitals with JCI certification (for international patients) cost a premium, followed by those with NABH certification ones.
Senior experienced surgeons with a high rate of successful outcomes obviously charge more fees than Freshers just passed out from colleges!
Hospitals in metros like Delhi, Mumbai charge more than that of Bengaluru and Hyderabad likewise smaller towns with lesser costs will charge less.
These are best discussed with the doctors advising the surgery