Icici bank ltd its the no one 1 private sector bank. No doubt about it icici bank I am having account since long but I never get any problem. They are way ahead in the servise and prompt in their commitment. The best part about this bank is they always work on their new techno know how. The launched their app I think year ago or prior to that i. e imobile app that make life very easy you can do fund transer instantly, you link your credit card and pay your bill, if you having loan with icici you can link in this imobile you can see your pending emi. great app . great bank. total satisfaction with this bank.