basic of stocks

The markets like vegetable , electronics. etc. same as share markets when come into business, its different from operations. both the markets needs demand and supply, where as the stock market an individual can enter in to the business small amount of capital.
stock market : where the buyers and sellers meet,
stock market under controlled by securities and exchange board of india (sebi)
the company have primary and secondary market, primary is all about the company spend lot of money to advertise their company and what kind of business to the public. where public can fund directly to company. secondary market its all about stock market here public can buy respective companies shares to do trading (buy&sell).
NSE, BSE, the oldest and the active stock exchange in india delivering indexes,
BSE ; SENSEX the index of top 30 companies listed in bombay stock exchange
NSE ; NIFTY the index of top 50 companies listed by national stock exchange.