The head office of the organization is the Congress Bhawan, situated at Master Canteen circle in Bhubaneswar.

[5] The Nagpur Session of the Indian National Congress, held in December 1920, which finally passed the Non Co-operation resolution was attended by a number of delegates from Orissa such as Pandit Gopabandhu Das, Bhagirathi Mahapatra, Jagabandhu Singh, Jadumani Mangaraj, Mukunda Prasad Das, Niranjan Patnaik and Harekrushna Mahatab.

Soon after the Nagpur Congress session, the Utkal Union Conference was held at Chakradharpur under the Presidency of Jagabandhu Singh.

[6] This led to the formation Utkal Pradesh Congress Committee uniting representation of all Odia speaking tracts, consisting of British administered Madras Presidency, Central Province, Bengal Presidency and the pre 1936 Bihar and Orissa Province.

In 1931 UPCC adopted a resolution moved by Harekrushna Mahatab, that urged the Government of India to establish a separate Orissa state.