SBI is nothing but State Bank Of India. It has the a big trusted curcil around india. In our india it was the first bank recognised by government.
They will maintain daily security and money updates. Here we will maintain minimum balance.
Phone banking also avalable its very secure banking only use in our own mobile and transfore money and get very easily.
Internet banking is very useful and with in seconds we will transaction done. Customer services and bill payments very useful and layable.