Big Bazaar / Futurebazaar / Future Retail / Hometown — Non refund of billed items

Address: Bhubaneswar

I placed an order for groceries on 01 may 2021 with delivery being assured the same day. Even by 12 pm on 02 May 2021, the order still showed confirmed with bigbazar and processing had not started. All this when they claim delivery within 2 hrs. I cancelled my order and refund is showing as having been initiated but it has still not reflected in my account. I have mailed them for revert but received no response.