The State Bank of India (SBI) is the largest banking and financial services company in India. It has the highest revenue, market capitalization and assets. SBI tops the list of best performing banks in India with the largest network of branches in India. It is a government-managed financial institution. SBI also has five associate banks, which share the same logo, and are named on the basis of regional eadquarters - and these are: State Bank of Bikaner & Jaipur, State Bank of Hyderabad, State Bank of Mysore, State Bank of Patiala, State Bank of Travancore.
Of course SBI is the best bank in India. Over the years they have improved a lot in their customer service skills which used to be the main pain area.