Phookan played an important part in forming the Assam Branch of the Indian National Congress in 1921.
He served as the President of the Asam Sahitya Sabha, a premier literary organisation in Assam at its Goalpara Session in 1927.
Mahatma Gandhi's visit gave tremendous impetus to the congress workers to carry out the non-cooperation movement and implement the principles of Swadeshi.
All India Congress Committee session was hosted by the APCC in 1926, at Pandu, Guwahati which was presided over by S. Srinivasa Iyengar and national leaders like Motilal Nehru, Sardar Ballav Bhai Patel, Dr.Rajendra Prasad, Madan Mohan Malaviya, Muhammad Ali, Shaukat Ali, Sarojini Naidu, S. Satyamurti, Abul Kalam Azad and others attended the session.
The Government of Assam, in 2021, decided Phukan's death date to be observed as Desh Bhakti Divas every year.