grievance.redressalcc@hdfcbank.com
Simply explain what issue you are facing.
If that issue is of repeated nature then ask for Compensation in 4th complaint.
Write this in your 4th complaint regarding same issue
I can not tolerate your Shamelessness and madness anymore.
Compensate Fairly for wasting my time and resources.
Otherwise, I would not hesitate in raising the matter with HONOURABLE RBI BANKING OMBUDSMAN.