HDFC Bank — not communicating on my registered number and registered email. unnecessary extra charges with out no reason.

Its been almost 10 times I dropped a address change and email change form in Hdfc banks..Every time they are missing to update my email id. I don't know whether they have educated staff or illiterates. Can't you guys have common sense of pestering a client for simple reason like this. Are you people don't know the difference between I and L in your keyboard ###. I have attached my business card along with form asked to change my address and email I'd..u guys again missed to add my email I'd..idiot bankers my email I'd PREMCHAND [protected]@GMAIL.COM...How mANY TIMEs do I need to tell u guys to update correctly..it is UPDATED AS PREMCHAND [protected]@ GMAIL.COM. Ask ur CEO to recruit educated sincere employess not a D#### who don't know the difference between I and L..stupidity..I'm wasting my time to posting this add here..HDFC credit catd is useless and very worse I have never experienced.regards prem