Airtel — airtel changing my alacarta and installing their pack

Address:

https://www.airtel.in/s/selfcare?normalLogin, 410206

Sir my air tel account number is [protected]-001 i have made my ala-carta
Pack in feb 2019 costing 260, and again in may 5th i called up airtel to delete my current alacarta so i can make new again i changed my ala-carta in may 5th 2019 through internet login after two days it showed that your pack expires in 4 days so i called airtel to enquire they told that your previous alacarta is not deleted so it is costing 550 rs so again i told them to delete they told me that your pack will be till june 2019 but now again it is showing your pack ends on may 22nd i called them they told me that you have selected the airtel pack which costing 365 rs i have never selected airtel pack and now when i call them they say you make a new pack of alacarta. Kindly do the needful. I have all the voice recordings which i spoke to customer care if needed i can upload.