The Politburo or Polit Bureau is the highest body of the Communist Party of India (Marxist). The members of the Politburo are elected by the Central Committee in the immediate aftermath of a National Party Congress, which is held every three years.

Mohammed Salim is an Indian politician, who is the incumbent State Secretary in West Bengal of the Communist Party of India (Marxist). He was inducted in the politburo of CPI(M) in the 21st party congress organised at Visakhapatnam in 2015. He was a Member of the 16th Lok Sabha, representing Raiganj constituency. Earlier, he was a member of the 14th Lok Sabha, representing the Calcutta North East constituency of West Bengal. After delimitation, in the 2009 Lok Sabha election Salim contested the new Calcutta North constituency, and lost to Sudip Bandyopadhyay of the Trinamool Congress. Mohammed Salim is contesting the 2024 Indian general election as the Left Front candidate from the Murshidabad.