This document provides an overview of banking and financial tools in India. It defines a bank as a financial institution that collects deposits and lends money, with the Reserve Bank of India regulating all banks. It outlines several common banking tools like savings deposits, current deposits, fixed deposits, recurring deposits, letters of credit, lines of credit, customs guarantees, and bank guarantees. Savings deposits provide low interest for withdrawals within limits, while current deposits allow unlimited transactions but no interest. Fixed deposits cannot be withdrawn before maturity but offer higher interest rates.