Indian Army — has done fraud with me today

Address:

Hoshiarpur, Punjab, 144216

I had given money through paytm to sanjay kumar who is currently posted at pokhrana jaisalmer, rajasthan nearby 29000 rupees by paytm and credit card. He had not delivered my courier. He promised to sell his phone. He had given me his pan card, adhaar card, liquor card, etc when chattung on whatsapp. Ihad his phone number. He whatsapp me the overnite courier service slip on which his and my name was mentioned on sender and receiver name. Now he is not picking up the call. What should i do to get my money back and sue these kind of people??? I had all the payment as well all conversation receipts paytm payment receipts with me. What to do now?