Flipkart — My flipkart pay later account

Address:

plot no 132, ounjiben ni chal, vanz road sachin, surat

26/06/2023 was item ordered, The item was ordered from my Flipkart account, I didn't get any OTP or notification, And the item was not ordered byme, someone ordered from my account, Paid from my Flipkart Pay later account, Whose OTP did not come to me and Payment deducted from Flipkart Pay Later account without OTP or notification, I have also complained Flipkart Customer Care, But they are just saying that our team will contact you. But they don't have any answer yet, It has been deducted from the account without OTP, they are not accepting it, ordered item is realme smart watch, the price is 4999 and now they call me for payment, and customer care said nothing about this, what i do next