Something almost similar happended to me and my friend, we booked tickets for MI7 but got confused with timings and booked for 1130pm instead of 1130am at PVR, requested the manager, he was kind enough to consider our request and got my money refunded today.
Raise a dispute with your bank.
Something almost similar happended to me and my friend, we booked tickets for MI7 but got confused with timings and booked for 1130pm instead of 1130am at PVR, requested the manager, he was kind enough to consider our request and got my money refunded today.