Most stocks are traded on exchanges, which are places where buyers and sellers meet and decide on a price. Some exchanges are physical locations where transactions are carried out on a trading floor. You’ve probably seen pictures of a trading floor, in which traders are wildly throwing their arms up, waving, yelling, and signaling to each other. The other type of exchange is virtual, composed of a network of computers where trades are made electronically. The purpose of a stock market is to facilitate the exchange of securities between buyers and sellers, reducing the risks of investing.
National Stock Exchange & Bombay Stock Exchange
The most prestigious & largest exchanges in India are the National Stock Exchange (NSE) & Bombay Stock Exchange (BSE). NSE was promoted by leading Financial Institutions at the behest of the Government of India and was incorporated in November 1992 & Bombay Stock Exchange Established in 1875, BSE (formerly known as Bombay Stock Exchange Ltd.),Currently both exchange has stocks listed of largest companies in India.

Invest in approximately 20 to 30 stocks in at least six to eight sectors with different investment characteristics. No more than 20% of the total value of your stock portfolio should be in any one sector. No more than 10% of the total value of your stock portfolio should be in any one stock. You should invest a minimum of approximately 3% to 4% of the total value of your stock portfolio in each stock.
Deciding which stocks to invest in can be difficult, especially if you have a low tolerance for risk. That’s why it’s important to define one’s financial goals and how much risk can be tolerated. Research stocks that fit within your strategy and invest in stocks that have the potential to help you meet your specific goals, whether you want investment growth, income, or a combination of the two.