Amazon — Money debit from account

Address:

52/406 Motilal nagar 3 Goregaon West Mumbai

I would like to bring to your notice that, an amount of 999/- has been deducted from my icici bank account and the transaction message is vsi/amazon stan.I hadn’t authorised this transaction nor was there any otp confirmation nor any prior intimation about any auto renewal.I have complained to amazon but I’m satisfied with as there is no satisfactory response from them this amount was debited on 29th September 2020.Could I get any assistance for solution in this matter