Airtel — Haven't issued refund

1)Date of the incident- 04/06/2021

2)Description: I bought airtel xstream premium annual subscription worth Rs.499/- on May 25, 2021. For the first 10 days the subscription worked fine. But on Jun 4, 2021 when I tried to play premium videos I was redirected to the payment page. When I checked in my profile the premium subscription was removed from my account. I reported this issue through customer support mail id, airtel store and twitter chat. But I haven't got clear resolution in this matter. They dragged this issue and haven't refunded my money or restored my subscription back. I'm attaching screenshots within this complaint as proof in this regard.

3)Resolution: request a refund

4)Documents: https://drive.google.com/drive/folders/12TRS1N4yeRUpwh1ZiqKWzxGlyokiBpWG?usp=sharing