HDFC Bank — Forex Card Missuse - It's been 4 and half months still no update

Address:	Bangalore, Karnataka, 560036
Website:	www.hdfcbank.com

MY Forex card was misused for transaction, raised the complete by providing every details . Called N number of times sent nearly 30 emails . everytime same response .
"Thank you for writing to us.

This is with reference to your query regarding disputed transaction.

The Reference number for your query is FPQ31986 We fully understand your concerns expressed towards the Purchase transaction. In this regard, we would like to inform that we have initiated our investigation with the concerned merchant regarding the transaction. We would revert once we receive a response from them

Looking forward to your patience and cooperation in the interim. "

Why to run a bank, if there representatives can't answer to email .
Just Copy past the same message to every query .