 The MNF commander Lt. Col. Laimana, who was suspected of being a government informant, was assassinated on 1 January 1966.On 27 February 1966, Pu Laldenga and some other MNF leaders decided that the armed insurrection would start on 1 March.The instructions were sent to the to launch simultaneous attacks on the posts of the 1st AR and the BSF.