Delhivery — Dealer is not returning the money and also not sending the product that I have ordered.

Address:	Delhi
Website:	Delhivery

First the person ask me for ¼ money of the product. When i will give that he start saying that plz sr send me atleast ½ money of the product value. Then i will send him half money and after giving the half money 💰 he again said that, sr plz give full paymemt i am only delivering the product so i don't have money you gave me full payment and then i will give uh the tracking id and all details, bills. I pay him all money of product and then he is not answering my calls and messages.
Plz sr help me plz, the money that i will send is ₹26130. Plz take any strict action ..