Paytm — Not refunding amount of returned product

Address:

Chennai, Tamil Nadu

I have purchased blue star ac from paytm..the model which i purchased was differ the model which i got...so i have complaint in paytm they provided reverse courier pick up...the product received to the company but they have not refunding the amount from 1 month they always sayind due to some technical problem we have not able to problem by saying like this they are not refunding my money from 1 month they are using my money from 1 month please take serious action and tell them to refund my money immediately order 1id is [protected]