Tamil Nadu State Transport Corporation [TNSTC] — Request for Refund Not initiated

I am Mithun Krishnan U, and I am 21 years old. Tickets that I had purchased through tnstc.in from Chennai to Coimbatore failed twice on March 21, 2023. Amount was deduction but the ticket was not confirmed. A total of 1690 rupees should be returned since a single ticket cost 845 rupees. It wasn't refunded until today.

Date of Booking: 21/3/2023
OB numbers: 1. 21411331
2. 21411451
Amount deducted: 845 for each
Total: 1690
Mode of payment: Bhim UPI Id.