When a seller is not in a position to deliver the securities he has sold, the buyer sends in his applications for buying-in, so that the securities can be bought from the market and delivered to him. This process by which the securities are procured in the Stock Exchange, on behalf of the defaulter is known as Auction.

a mechanism utilised by the exchange to fulfil its obligation towards the buying trading members

A mechanism used by the Stock Exchange to fulfill its obligation to the buyer of a security. It is done when the seller is unable to deliver the scrips sold by him. The security in question is offered by a member who has ready possession of the scrips.

It is a mechanism for the exchange to fulfill its obligation to a counter party member when a member fails to deliver good securities or to make a due payment.

An auction is a mechanism utilised by the Exchange to fulfil its obligation to a counter party member when a member fails to deliver good securities or make the payment. Through auction, the Exchange arranges to buy good securities and deliver them to the buying broker or arranges to realise the cash and pay it to the selling broker.