Chapter 20 — Banks and the Magic of Finance

Financial infrastructure is a network of banks, payment systems, stock markets, and other financial institutions. It helps people, businesses, and the government carry out financial transactions, manage money, and support economic activities. It also promotes savings, credit, and investment, which boost economic activity and contribute to a nation's prosperity.

The three types are: a savings account (for individuals who save regularly and earn interest, with limits on how many times money can be withdrawn each month), a current account (for businesses and traders who make frequent transactions — it earns no interest but has no withdrawal limits), and a fixed deposit account (a one-time deposit kept for a fixed period like 3 or 5 years that earns higher interest than a savings account).

Compounding is the process of earning interest not just on the original amount but also on the interest earned in previous years. For example, ₹1000 at 6% interest earns ₹60 in the first year, making it ₹1060. In the second year, interest is earned on ₹1060, not just ₹1000. If you continue saving for 12 years, your ₹1000 grows to ₹2012.20. This shows how compounding helps money grow exponentially over time.

The Reserve Bank of India (RBI) is India's central bank — it supervises the entire Indian banking system. It was established in 1935 and has been functioning as the central bank since 1949 after Independence. The RBI prints and distributes currency (banknotes), fixes benchmark interest rates for lending to commercial banks, maintains accounts of other banks, and provides loans to banks and the government.

Pradhan Mantri Jan Dhan Yojana was launched in 2014 with the aim of giving every Indian — especially low-income earners — access to a bank account without needing a minimum balance or paying fees. Before 2014, only 15 crore Indians had bank accounts. Since then, over 50 crore accounts have been opened, mainly by women. This allowed farmers, workers, and students to receive wages, salaries, and scholarships directly into their accounts, reducing middlemen.

UPI stands for Unified Payments Interface, a digital payment system launched in 2016 by the National Payments Corporation of India (NPCI). It allows instant transfer of money using a QR code or the phone number of the recipient through apps like BHIM. When a user scans a QR code and enters their UPI PIN, the payment app sends a request to their bank, which forwards it to NPCI; NPCI verifies the PIN and processes the transfer so the funds reach the payee's bank instantly.

Banks earn money by paying a lower interest rate to depositors and charging a higher interest rate from borrowers. For example, if a bank pays 2% interest on a ₹200 deposit, the depositor receives ₹4 as interest. The bank lends that ₹200 to someone else and charges 5%, collecting ₹10 as interest. After paying the depositor ₹4, the bank earns the difference of ₹6. Banks also maintain reserve money and do not lend out all their deposits.

A share is a unit of ownership in a company — when you buy a share, you become a part-owner. A collection of shares is called a stock. The actual buying and selling of shares takes place at a stock exchange. In India, the Bombay Stock Exchange (BSE), established in 1875, is one of the oldest stock exchanges in the world. Share prices rise and fall based on a company's performance, government policy changes, political instability, and economic events; a rise in many share prices leads to a stock market boom, while a fall leads to a crash.

A cheque is a paper instrument that lets you pay someone directly from your bank account. You write the amount in words and numbers, the payee's name, the date, and your signature on the cheque. The payee deposits it at their bank, and the amount is debited (withdrawn) from your account and credited (transferred) to theirs. However, cheque payments require physically visiting a bank and take time, unlike electronic payment methods.

Apart from banks, Indian post offices offer savings schemes such as National Savings Certificates (NSC), Kisan Vikas Patra accounts, and Sukanya Samriddhi accounts — these are especially useful in remote locations. The Industrial Finance Corporation of India (IFCI) funds businesses in areas like power and textiles. The National Bank for Agriculture and Rural Development (NABARD) supports rural development by funding banks that give loans for farming, village industries, and infrastructure such as roads and irrigation.

Never share personal information like your phone number, account number, home address, passwords, or OTPs with strangers, even if they claim to be from your bank. Avoid clicking unknown links or videos received through messages, and do not store sensitive banking information like passwords or debit card PINs on your devices. If you become a victim of fraud, report it via the helpline number 1930 or the National Cybercrime Reporting Portal at cybercrime.gov.in.

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