He also served in Executive Council(equivalent to cabinet) holding the portfolios of Public Works, Excise, Bazaar, Health and Medical departments for multiple terms in the Chogyal regime.
[5] In a change to his previous ideological stand of Sikkim’s merger with India, in 1967, Pradhan along with BB Gurung and Netuk Tshering demanded revision of Indo-Sikkim treaty,1950 stating, "Since Sikkim signed the treaty with India, surely it is within her sovereign rights to demand a revision of the treaty as one of the signatories.
In fact, Sikkim gained her Sovereign Status on the 15th August, 1947, when India achieved her independence from the British rule.
Every country has its inherent right to exist and maintain its separate identity and, therefore, to review and revise its treaty obligations in the wake of changing circumstances.
"[6] By late 1950s to the 1970s the Sikkim State Congress was led by him or his uncle Kashiraj Pradhan both serving as President of the party alternatively.
Under their leadership the party greatly moderated it’s anti-Chogyal stand and participated in the Royal Sikkimese administration through subsequent wins in elections to the State Council[7] By the 1970s, Pradhan led Sikkim State Congress demanded for a responsible government under the Chogyal opposing the demands of Kazi Lhendup Dorjee led Sikkim National Congress.
[8] He was the editor of Sikkim's first monthly news magazine Kanchenjunga(1957), which his maternal uncle Kashiraj Pradhan started.