Go Air — Non refund of cancelled flight ticket money

I booked two ticket from mumbai to nagpur for 9th june 2020, with pnr no. J6sy7m.
The flight got cancelled. I rescheduled the journey date for 11th june 2020. Again the flight got cancelled.

I requested for refund and they provided me service request no. G[protected].

I am still waiting for the money to be credited in my bank account.