MakeMyTrip India — Refund failed

This is regarding Booking ID NN[protected].
Due to Covid, my airline refunded the money to Make My Trip in November.
First of all MMT didn't even bothered to process my refund on it's own.
When I contacted MMT in January'21 to process my refund- after providing all details, I received an email saying that my refund has been processed- will come in account within 5 days.

After one month, I have not yet received any money and now I have tried all possible ways to contact Make My Trip but not hearing any response from them. The web form is not working, the form that I am supposed to fill to retry the payment is not working. I have sent email to various ids, called but all to no avail.