Amazon India — not refunding my money from than 1 month

Address:	Jamnagar, Gujarat, 361350
Website:	amazon.in

I purchase item from amazon.in but it does not fit on me, then o request for refund for 2 times and i call there customer service more than 5 times but theyare not taking there product from me and they are not giving my money back. Pickup time was on
Wednesday, 28 nov, 2018, 15:00 - 18:00 and the pickup tracking id
Number is : [protected]
Please help me