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If you are thinking of buying tickets with Makemytrip, DO NOT BUT FROM THEM. Apart from the disappointing things you hear from others, they have cheated me of my refund when I cancelled my tickets to India because of health reasons. I agreed to pay the cancellation fees, and the customer service sent me a letter stating that they would refund me$1850 difference but it has been over a year since but they keep ignoring my requests.
You will know the true colors of a business when you have an unusual situation - otherwise everything sounds good. If you need cheap tickets, there are plenty of other agents in your area that can help you out. Why go with these guys who are blatant cheats?
Top of it all, they do not care about you since they feel there will be enough suckers around. I sincerely feel you will get a good deal all around if you find a local agent.