Split between Mukherjee and Sharma, emergence of COC, CPI(ML)
The emergence of COC, CPI(ML) began in 1973 as the erstwhile secretary of the Punjab branch and
Central Committee member of the original CPI(ML), Jagjit Singh Sohal ("Sharma"), began to distance himself from the line of the late CPI(ML) general secretary
 Sharma had emerged as the secretary of the
pro-Majumdar faction of CPI(ML) but soon developed differences with the other main leader of the faction, Mahadev Mukherjee.
 Sharma began to distance himself from Majumdar's line of annihiliation of class enemies and the original CPI(ML) slogan 'China's chairman is our Chairman'.
 Mukherjee declared Sharma expelled from the party.
 In October 1973 Sharma formed a new Central Committee consisting of himself, Suniti Ghosh, Sham Chopra and Ram Nath.
 The Sharma-led group consistuted COC, CPI(ML) as a separate party in February 1974, after having established contacts with a number of state committees.
 COC, CPI(ML) gathered Sharma's group in Punjab, the Andhra Pradesh Committee, Suniti Ghosh from West Bengal and some party cadres from Uttar Pradesh.
 COC, CPI(ML) published an organ called Liberation.
 COC, CPI(ML) sought to unite all groups that had been part of CPI(ML) by the time Majumdar had died in 1972, reaffirming that Majumdar's party was the sole true CPI(ML) (thereby rejecting Satyanaryan Singh's break-away