Indian Army — Im complaining about amit kumar

Today A person named amit kumar contacted from facebook, i had listed products for Sale he messaged in whatsapp sepecting products then later hesaid he is in indian army and has went to office for payment first he had sent scan code and askd to send 5 Rs after sending 5 Rs i recvd 10 Rsthen he said me to send 1325 to recv payment from him, then again he askd to semd 1999 twice i had sent he said swipe machine problm and said to send 5323 to recv whole money i had sent thn he says again to send i dint send this time please help me get my money back.please