Angel Broking — Deduction in ledger balance

I was treading on my account today and the angel app is not properly work due to its technical issue. Then accidentally clicked the subscription and trying back button but app doesn't responding snd its gets activated . After watching last transaction its shows the duduction . I tried calling customer msny time but its not responding and when responses lastly not considered my request of refund. Please refund the amount as soon as possible.