This is a clear case of cheating for which you can lodge a complaint with local police on which basis a case u/s420 IPC would be initiated agaisnt the agent.

Once FIR is registered the agent under fear of arrest or conviction may settle with you my making the payment.

Another option is to file case beofre the consumer forum wherein you will get full refund with interest along with damages and compensation.

The proof you have mentioned are more than enough to nail this agent under both civil and criminal action.

File police complaint of criminal breach of trust and cheating against agent under section 406 420 of IPC

2) if police refuse to lodge FIR file private complaint before magistrate under section 156(3) of criminal procedure code to direct police to investigate and submit report

Lodge a FIR against him for cheating you and duping you of your hard earned money.

Immediately report the matter to the Police and inform them of the fake business he's running so that the same gets busted.

1. You lodge a criminal complaint agaisnt the agent with the local police immediately.

2. You can issue a legal demand notice instructing him to return the money as promised.

3. You can produce the audio recordings and the whatsapp messages as evidence before the police to put pressure on him.

4. You can consult a local advocate on all such further issues.

You may straightaway serve him with a legal notice.

and if he fails to refund the money even after the legal notice you may straightaway lodge an FIR against the said person for cheating.

You have sufficient prove to make a good case.

Regards