What is bank? Can you please tell me all about a bank?

An establishment authorized by a government to accept deposits, pay interest, clear checks, make loans, act as an intermediary in financial transactions, and provide other financial services to its customers.

Bank is a financial institution that accepts public deposits and creates credit. Bank has several functions like loans, advances. Popular Indian banks include ICICI, HDFC, AXIS, which are private. State Bank of India (SBI) is the Indian largest public sector bank.