Paytm Mobile Solutions — return of wrong product received

Address:

Gautam Buddh Nagar, Uttar Pradesh

I ordered a product on 14 august 2018 it was delivered to me but the product delivered to me was different to the product i ordered i requested the return but no one contacted me for return pickup i called the help executive 4 times but they keep on saying ur product will pickup today tomorrow but no one called me i suffered a loss due to this its been going to be a month i am troubled with this