Koirala was active in politics and was a pioneer of the Nepalese labor movement along with his brothers in Srinagar.
Later his brother B. P. Koirala and the Nepali Congress party were swept into power in the country's first democratic election.
He was in the forefront of the leaders who took part in 1947 Srinagar jute mill strike[2] along with Girija Prasad Koirala, Yuvaraj Adhikari, and Man Mohan Adhikari.
He was among the six National Congress leaders i.e. Bishweshwar Prasad Koirala, Girija Prasad Koirala, Yuvaraj Adhikar, Gehendrahari Sharma, Manmohan Adhikari who were taken to Kathmandu as the prisoners of conscience from Biratnagar via the land routes.
It took 24 days for them to reach Kathmandu on foot, and was jailed at a Sundarijal-based prison after completing the walk.