Paytm Mobile Solutions — gold back not encashed

I am paytm user.in my 12 feb and 13 feb transaction i have purchased two products orderno. [protected] and one.
I received panty of my baby without bloomers which was mentioned in the product. There is no provision of returning it and contact no are out of reach. Also goldback which was promised with the deal is not encashed till now.in my paytm account goldback options not activated by paytm so that my money can encashed.

Please do the needful.