You Broadband India — My complaint about refund as company not installed internet connection.

I purchased their services on 16, March 2021 and 19th, March 201 they informed me that they can not installed internet connection as my address(location) is not feasible for installation. So they return my money in 45 days means till 30th, April 2021. But I don't get refund till yet. I called their customers helpline number so many time but they just say you refund has been initiated our team will call soon. Today is 2, July 2021 but I am still did not get any call or reason why they are not returning my money. My cc numbey they provide after pay is followed. CC531989.
I am attaching screenshot of sms pay made to their executive. Please help.