Paytm Mobile Solutions — I have sent money to wrong guy

Address:	530032
Website:	Paytm

I have sent 2150 rupees to phone number [protected] through paytm by mistake and now he is not returning to my calls and refusing to refund it .. pls help. He is saying that why did you send in the first place and not at all returning . I threatened id go to police but he said go on. It has already been 3 days since i have sent the amount and i kept a compliant in paytm but no use