Indian Army — fraud against anand singh from indian army department

Address:

Thane, Maharashtra, 421203

I want to sell my Sofa Cum Bed. He ask me to download Google App for receiving the amount. I had download the App it was my first time to use such payment method. As he said to do I have done he transfered all my amount in his account and not ready to pay back. He is telling me that his machine is not working. Please resolve my query. I had his details with pictures