Formation of The Eastern India Tribal Union
The Tura Conference held, with the decision to submit the memorandum to the State Reorganisation Commission to demand for a separate state from Assam
Construction of road from the valleys of Brahmaputra to Surmah opposed
All Party Hill Leaders Conference (APHLC) formed with the GNC becoming its founding member and Capt Williamson Sangma its President
The inclusion of Assamese Language Bill and subsequent protests held in Khasi, Jaintia, and Garo Hills
Capt Williamson Sangma chairs meeting in Tura regarding the fight for autonomy. Garo National Council supported KND demand for full autonomy
Creation of Garo National Council
A member of the Garo community, Jangin Sangma, was nominated to the Legislative Council
Goalpara, Kamrup, Darrang, Nowgong, Sibsagar, Lakhimpur, Khasi and Jaintia Hills, Naga Hills, Garo Hills, and the district of Cachar were separated from the administration of the Government of Bengal