Jiomart - Refund not initiated by jiomart

I have ordered a product on **th October **** and returned the product on **th October ****. I have used my credit for the bill payment. According to the customer service, it will take * working days to initiate the refund. But after * days I have raised a complaint and ask the customer support how much time it will take to resolve..They said it will be resolved by ** hours. But It’s more than a week and there is no clear resolution. Whenever I tried to connect to the customer service they are saying the team is working and will be resolved as quickly as possible.
Now I have to pay the total amount of the product to the credit card, that is *****.
Order Detail :-
Order id :- *****************A.
Complaint no. :- **********