Indian Army — vikas patel olx fraud of 30000 for a camera

I saw a ad in olx for buying a camera, and i chat him for buying, he gave me his mobile number and then i call him to know tha details, after that he send me photos of him addressing as a indian army soldier name vikas patel and his aadhar card, driving license and his photos, i believed him and asked for the lowest price, and finalise at rs.16000. He ask me to pay some money before receiving the product, so i made a payment of rs.6000 and after that i inform him that i will pay rest amount at the time of delivery. But on the next day, the delivery boy call me and ask to pay rest amount of rs.10000 by that you can recieve your product, so i asked vikash patel for that issue, then he said it was the rule and asked me to pay, then i pay rs.10000 to the account, he had given, after that again delivery boy ask me to pay service tax of rs.7150, again after a discussion of few minutes, i pay him, but later they said that t o make two transactions for that amount as rs. 7100 +rs. 50 and said that an amount of rs.14250 will be refunded to you at the time of delivery, so i make another 2 payments as they instructed, and after that he again asked for rs.5200 as insurance tax, then i recognised it as a fraud, i call him, he didn't answering and also no replies through whatsapp. I lose an amount of rs.30300.
Account details provided by him are account number[protected], ifsc code - pytm0123456, holder name - faisal. So please investigate on this, and please help me in getting my money back. Sir i am a student, those are my scholarship savings. Please help me. This is the number [protected], of the man who i have contacted (Fraud).