State Bank Of India [SBI] — unknown charge deducted from my card

Address:

Chennai, Tamil Nadu, 600078

Unknown charge deducted from my card. I didn't receive my otp at the right time, so i logged out from amazon site. But amount got debit from my account. I checked with amazon team there is no order received to them. I have attached the details about my purchase below

Name of the bank: state bank of india
Type of card: master
Last 4 digits of cc number: 3396
Date of charge: 4-oct-2019
Amount of charge:3228.42
Name: sundar babu. R
Email: sundarbabu. [protected]@cognizant.com
Mobile no: [protected]