BookMyShow — Amount deducted but the tickets were not booked and it has not been refunded till now

On 9th June 2022 I had booked a movie vikram in bookmyshow app and the amount has been deducted but the tickets were not booked 1st time and i made the booking for the second time and it was successful but the amount deducted for the 1st transaction has not been refunded till now it has been more than 7 days and I also spoke with my bank and they said that the amount has been credited to the merchant account and they said you merchat is the one who has to make the refund and bookmyshow is saying they didn't receive the amount