Since the purpose of website was commercial gain, I do not think the Consumer Protection Act would hold here, which would have been speedier but still takes a lot of time and patience.
Civil suit for non performance of contract seems to be an option. Expect it to take longer. Do you have a properly drafted agreement and what does it say about the situation you are facing ? Take advise of a competent and committed lawyer with full details.
While the " law abiding people " look at legal options, fact is that the legal system - whatsoever it is in India - seems to protract legislation as the means to its own survival. Buyer Beware is a wise adage in all situations.