I am NOT a qualified advocate but here's my two cents on your question, purely from a legal perspective: In law, there is something called the law of torts. It is not codified in terms of sections but broadly covers any wrong that has been done to a person - Civil Tort. Therefore, you can, at least in theory, file a civil suit, listing all the wrongs done to you by the opposing party and quantify the damages suffered. You can then seek recovery under the law of torts. Fraud, for example, falls under the law of torts. In certain countries, it is a more formalized subject and in some countries, like in India, it is very broad in scope. You can use that to your advantage.
So... do some reading and in simple language draft a civil suit and file it. Serve it on this man and let the ball start rolling... If you are confident of doing it on your own, by appearing in-person, then you should go ahead. If you are going to rely on an advocate, I would strongly recommend that you forget it, unless you can afford a high-fi advocate who normally practices in High Court. This is a very simple case... some wrong has been done to you and you need that wrong to be rectified through compensation. Easy! Just right the plaint/suit accordingly. In simple terms and using simple language. Keep it short and do NOT make false allegations though you may be tempted to do so. Whats the downside? Your plaint gets dismissed. With cost? Not a problem. Indian courts fine costs nominally. GOOD LUCK!!