Talk to Pediatrician on Hearing And Listening Problem

This Kid is 5 years old and belongs to city of KPK, Abbottabad. He is born mute and deaf and his mental development is also less than that of normal child. Can't walk. He can't stand up and sit down without support. According to the doctors, there are signs of sound in one of the children's ears and the child will be treated through an operation, which costs 1.6 million, but there is no guarantee. The request is for a specialist doctor who can understand the case and help the child. What should we do and where he will be treated best?