Khalsa went to the United States in 1923 and spent three years there and did LLB from the San Joaquin Delta College, Stockton (California).
After his return, he took keen interest in the welfare of the Dalits and joined the All India Scheduled Castes Federation of B. R. Ambedkar.
From 1937 to 1946 he was also a nominated member of the District Board of Ludhiana, After the second world war in 1946, he was appointed as an officer in the Labour Department of the Government of India.
In 1952 he joined the Akali Dal, ran on its ticket for the 1952,[6] and became the Leader of the Opposition in the Punjab Legislative Assembly.
He had during his political career edited a couple of magazines and papers, and from 1952 to 1954 was Chief Editor of the Daily Prabhat, the Urdu spokesman of the Akali Dal.