One97 Communications — Refund not given

I have cancelled a flight ticket of Indigo on 08.11.2023. But still today I have not received the refund from Paytm ( One97 Communications). There is no response from customer care to the tickets I have raised in their app. Moreover, there is no customer service executive with whom I can talk to resolve the issue. Its been 19 days from the cancellation, still no response from Paytm.

Booking ID - [protected]
Refund Amount - Rs.7939
Ticket ID - [protected]; [protected]