Flipkart — Unauthorized transaction done by flipkart from my HDFC CREDIT CARD

Address: B-2, Ambekdar Colony, Chhattarpur, New Delhi - 110074

When i reviewed my HDFC Credit Card Statement and found that one unauthorized transaction of Rs. 11, 529.27 done on 11th July 2023 without my knowledge and without getting any OTP etc.
Detail of this fraud transaction is as follows :

11/07/2023 M-FLIPKART INTERNET PR, P:01, 0000933 (Ref# 09999999980711001657256) 11, 529.27

Kindly file a complaing against flipakrt for this unwanted transaction without my (Card holder) permission.