Education
He graduated from the Forman Christian College, Lahore.
He graduated from the Forman Christian College, Lahore.
He was the first Shiromani Akali Dal Chief minister of Punjab. His ministry fell due to defection of Lachhman Singh Gill, who became the next Chief Minister with the support of the Indian National Congress. He died in an air crash in Delhi on 31 May 1973.
Singh was born in Narangwal, Ludhiana on 25 February 1899 in a Grewal family.
He captained the hockey team of Punjab University. Singh practiced Law in Lyallpur (Present day Faisalabad, Pakistan).
Later he served as the president of the Bar Association, there. During the partition of Punjab, Singh moved to Punjab, India.
He was made the judge of the PEPSU and Punjab High Courts in 1950.
He retired from this post in 1959. In 1959, he joined Shiromani Akali Dal. He defeated congress candidate Inder Mohan Singh.
He served as the leader of opposition in Punjab Vidhan Sabha from 1962 to 1967.
In 1967 he became the first non-Congress Chief Minister of Punjab of Punjab. He led a coalition government of Akali Dal, Jana Sangh and communists.
However, his government could not complete the full term. He again became chief minister in 1969.
Later he served as High Commissioner of India in Canberra, Australia.
Singh died in an air crash in Delhi on 31 May 1973.
Akali Dal president Sant Fateh Singh made Gurnam Singh the head of the legislative wing of the party.
In 1962, he became the member of Punjab Vidhan Sabha from Raikot.