KFC India — nearly a month but no refund pathetic support

Address:

401305

On 1st january 2019 new year's eve i orderered from ur food chain online without knowing the nearest store. I paid the amount of 754.32 rs via paytm and got a msg that ur food will be delivered shortly and then after few moments i got the msg that ur order had been cancelled. I hoped that i'll get my refund shortly.
From that day till now i am continuously following up with the store manager-mira road mumbai, all customer care executives for my refund but with great sorrow no response.
Being one of the best food chain company it's really surprising that it's taking months or more to make refunds of a single order!!!