when we decide a particular stock to be purchased or sold then we require a broker to execute the order.
Stock Trading takes place at Stock markets with the help of Traders/Stock Brokers /Exchange Boards
Exchange is the place where trading happens.
We have an DEMAT a/c for placing an order in the stock market. The a/c are under the control of SEBI. On the user id we can make buy order or sell order.
There are 3 types of order: 1. Normal order 2. Super multiple 3. Stop loss order
The order are valid for one trading day only. If the stock cannot be buy or sell with in the day. The order will be cancel automatically.