During the period of 1942 and 1945, Hajong sharecroppers organized in the Kisan Sabha struggled against feudal domination of Bengali Hindu landlords.

[4][5] Hajong armed communist rebels captured control over a number of villages and set up their own administration there.

[3] After being confronted by the Pakistani Army, the rebels built up a base in Baghmara, Garo Hills on the Indian side of the border.

The system of assured payment of agricultural land rent through paddy was called Tanka in Mymensingh region.

Five years after the arrest of Communist Party of India member Moni Singh in 1930, he was placed on parole at his home in Mymensingh District.

After returning home to his village, the local farmers pressed him to launch a movement for the abolition of the Tanka system.