HDFC Bank is one of the leading and famous bank in banking sector and gaining its popularity day by day.
The best thing about this bank is that they respond to your issues really fast and try to resolve them as soon as possible, not like asking the customers to roam everywhere in the bank branch.
Moreover you dont have to go to branch for almost all the things other than changing your mobile no. and address that too because of your security concerns. Everything can be done via net banking of hdfc which is well designed for any end user and is very user friendly