State bank of India is considered to be largest public sector bank currently operating in India.It was formed by amalgamating three bank ie Bank of Culcutta, Bank of madras and Bank of Bengal.It was previously known as Imperial bank of India.It was nationalised in 1969 and currently operating in all part of India with its 5 subsidary.Over the period of time it as emerged as one of the finest bank providing wide range of services.Its internet and mobile banking can be good example in this context.Moreover SBI has come with my Application working on window, andriod and IOS like Sbi rewards, Sbi freedom, Sbi saral etc.These apps are very much user friendly and provides you loyalty points for your working with SBI.With these points you can recharge, make shopping, Book ticket and many more.I suggest you to have a account in Sbi so that you enjoy its numerous services at your finger tips.