Hongkong & Shanghai Banking Corporation [Hsbc] — someone made fraudulent transaction

Address:

Mumbai City, Maharashtra

Respected sir
I have been cheated with $1960 on 8th july through a fraudulent transaction made online at midnight around 2:20 am. I neither shared otp nor i have provided card details to anyone. As at that time the card was in my possession only. I instantly made a fir in nagpada police station mumbai. (I was there for some work but i belong to delhi).in first instance that told the merchant has accepted the payment, second they told that they're working upon it and it will take 45 days. Now on 21st july they called and guided that this would take 50 days. My trust in hsbc has shattered like anything. Even i tried to write to delhi ombudsman but they didn't bothered to even revert over email. The hsbc card ends with 1952. I request for a refund as i haven't shared anything related to card to anyone. Even i didn't used my card for the last whole week before the incident. Then how come the things can be passed on from my side. It shows shear security lack from hsbc.