What is a Disclosed Quantity Order ?
It is an order in which only a part of the order quantity is disclosed to the market. The next part is automatically released after the previous order quantity is fulfilled and so on till the full order is executed. The disclosed quantity should be greater than 10% of the order quantity.
For example, if you wish to buy 200 shares of BEL you can enter the disclosed quantity as 20. The order quantity sent to the exchange will to be buy 20 shares. After this request is filled the next 20 shares buy request is sent and so on till the entire order quantity is executed.