HTC India — Htc 616 mobile imei no.[protected]

Address:

Bhavnagar, Gujarat, 364001

I had purchase mobile on[protected] from Gandhinagar Gujarat after one year my mobile stuck down an had given my mobile for software installation to HTC service center of Alix System at Bhavnagar on 6-6-2016. After two They have demanded Rs. 2000/- for software installation. I had piad the amount as asked by them on[protected] . Then after they have return my mobile with camera change body change, also battery not working also IMEI no changed with [protected] how can it happened I don't know I have return back mobile due mobile was not mine. Till to-day I have received nither my mobile nor my cashe which was I had paid him .
You are requested to help me what should I do for getting back money n mobile.my mail ID [protected]@yahoo.com