Hdfc bank is the only bank which offers loan in 10 sec if you are have a existing account.I have personaly experienced it.Phone banking in very responsive and you can get the help you want just by dailing, no waiting in que.Atm offers fund transfer, credit card payment and even you can get instant loan through the atm.Best rates offered in loans which is by far the best compared to other banks.Internet banking offers a wide varity of services including all the basic things fund transfer and you also get the latest offers like PL in 10 sec, Car loan in 10 sec through zip drive and credit card loans etc.
As a bank it has grown a thousand times and in future its going to offers fully automated services to its customers.