ICICI Bank — fraud transaction online

Address:

Chennai, Tamil Nadu, 600059

Hi 08..09.2017 morning i have received 6 messages which says i have purchased from clues network private for rs. 17, 649.00 and rs. 8, 100.00. But i didn't purchase and not done any transaction on 08.09.2017. I don't know how without otp some body used my card.
I have blocked all using icici chat and customer care (Fraud prevention team). Icici fraud prevention team asked to submit
Customer dispute form, id proof copy and copy of debit card to nearest bank. I have submitted all these to ekkaduthangal branch o nsame day at 12 p. M. On same raised i contacted merchant to stop the orders but hey replied it is done by u we cant do anything on this. U can check with bank for online fraud.
Now icici abnk customer care saying the transaction done using atm pin they wont return amount ask to check with merchant. Now i cont acted customer care he is saying you used 3d secure pin for transactions so we cant help. I dont which one is true. But i did not purchase or transfer amount on 08.09.2017.

Please help on this.

Thanks,
M. Sabari
[protected]