RTO India — Non refund of RTO taxes

Address:

Mumbai City, Maharashtra, 400012

My car is registered at mumbai RTo . my car number is mh o1 bf 9435 i had paid rto taxes on 20 th december 2012 vide receipt no 0295589 on 20 th december of rs 78072

my car is burnt and i got scraped. i had submitted all document on 21 -4 2016 and apply for rto taxes refund still today i had not received refund.my name is haresh mehta car belonged to me why my refund is delayed let me when should i get refund.