Hyundai Motor India — delay of new vehicle after full payment and payment not received after cancellation

Address:	Erode, Tamil Nadu, 638002
Website:	aras.hyundaimotor.in

Dealer : aras & pvpv hyundai erode

Location : erode

I have booked i20 elite asta petrol on 27/sep/2018 with 10000 on cash with assurance of vehicle delivery with in 1 month. On 03/oct/2018 i paid entire amount of r. S 7, 61, 800 through rtgs. After numerous visit to dealer, they are making plenty of false & fake excuses to deliver the car. So on 15/nov/2018 i have given my cancellation letter to general manager of aras & pvpv hyundai to refund my amount of r. S 7, 71, 800. Now these guys delaying in my refund too.
Note : i took loan of r. S 400000 from (Bank of baroda) on 3/oct/2018 & i have paid 1 month due of r. S 6446, now i want my refund to close my loan or else i have to pay 2nd month due with interest of 9.15%