Paytm — paytm wallet fraud

Address:

Hyderabad, Andhra Pradesh

sir, earlier today i ordered for 4 books comprising of 743 rupees, then i went for cash on delivery, i was having 180 rupees in my paytm wallet, so i used all of my wallet money in it and order was placed successfully but when paytm called me, i accidently cut the phone, after which my ordered get canceled but not only this my paytm wallet money went from rupees 180 to rupees 20, and im feeling like cheated, i want my money back!!!. please, help me, any help will be greatly appreciated, thank you