Zomato — Money refund issue (no refund from 20 days)

On 18th December I had placed a food order in zomato and payment option was UPI payment.
When I tried to pay money was paid to UPI/[protected]@h/[protected]
money got deducted and order was not placed, it showed that order was failed,
on the same day they said that money will refund in my account in 4to 5 working days.
I waited for 8 days. from then onwards I am sending them mails, chat support everything but no response from them.
its already more than 20 days. but no refund and no reply also. there is no proper customer care, and in chat session every time only bot is giving reply,