Payment through bank is valid proof of transfer of money. You can file a civil suit for recovery of amount paid with interest as you have sufficient proof of payment. You can also file criminal complaint against him for cheating. File the complaint in the Court of Magistrate as police will hesitate to take complaint. Court will order police to register FIR, investigate, produce accused in court and file charge sheet. After trial Court will punish the accused. Punishment for cheating is jail up to seven years. Once summons is served on him he will come for settlement, the offence of cheating is compoundable, that is it can be compromised between complaint and accused. You can collect your money and compromise the offence. You can file civil suit from abroad. Draft a GPA in favor of your friend/relative giving him power to file civil suit against him. Get the GPA attested by Indian Consulate/High Commissioner. Criminal complaint can also be filed through GPA. If he is abroad, LOC and red corner notice will be issued against him. He will be brought to India and face trial.