In the parliamentary system of government, the chief minister is treated as the "first among equals" in the cabinet; the position of deputy chief minister is used to bring political stability and strength within a coalition government or in a party.

In history of PEPSU state there was only one deputy chief minister Brish Bhan.

Till now five people served as Deputy CM of Punjab.

Balram Das Tandon was the first who hold the position when Bhartiya Jana Sangh formed coalition government with Akali Dal – Sant Fateh Singh under the chief ministership of Gurnam Singh.

The Deputy Leader of the House in Vidhan Sabha is the deputy parliamentary chairperson of the party that holds a majority in the Vidhan Sabha and is responsible for government business in the house.