Paytm — Defective and Old Product Delivered

Address:	Gwalior, Madhya Pradesh, 474009
Website:	paytm.com

I ordered a Dell Laptop from Paytm worth 53000/-
But the product delivered me was defective and the old one.
The keys were not functional, the warranty was already over, the windows was already activated. But in website all these things were mentioned to be different.
I got the delivery on 27/07/2016.
After checking the product I have informed the Paytm about this and also i have send several mails and also phone calls asking for refund of my money.
But i didnot get solution till now.It has been more than two weeks but still i am waiting for my refunds I also have all the proofs of the phone calls and the mails