 MNA consisted of around 2000 men, supported by another group called the Mizo National Volunteers (MNV), which comprised an equal number of irregulars.In the early 1960s, the MNF leaders including Pu Laldenga visited East Pakistan (now Bangladesh), where the Government of Pakistan offered them supply of military hardware and training.Laldenga and his lieutenant Pu Lalnunmawia were arrested by the Government of Assam on the charge of conspiring against the nation, but were released in February 1964 after an undertaking of good conduct by Laldenga.