Amazon India — Done a transaction with my debit card without my permission

I have taken a 1 month subscription for kindle unlimited and it ends on 19 july 2022 i dont like it i don, t want to continue it but today on 19 july i got a notification from bank for 169 rs are debitid from my debit card and i found that amazon is involved in this transaction . i want to complain that why amazon can do it its own now i canceled my subscription but why they can take money from my account without my permission please help me to take my money back.