Mohan Kumaramangalam

In 1941, Kumaramangalam was arrested along with P. Ramamurthi, C. S. Subramaniam and R. Umanath for distributing seditious pamphlets in what came to be known as the Madras Conspiracy Case.

In the days following India's independence Madras Presidency was gripped by a peasant rebellion, which compelled the provincial government to launch a crackdown on communists.

Following the victory of the Dravida Munnetra Kazhagam in the 1967 Tamil Nadu Assembly elections, Kumaramangalam resigned from the Communist Party of India and joined the Indian National Congress.

[9] Rangarajan Kumaramangalam was a member of the Indian National Congress and later, the Bharatiya Janata Party and served as a minister in the Narasimha Rao and Atal Behari Vajpayee governments.

[9] Mohan's daughter, Lalitha Kumaramangalam contested the 2004 and 2009 Lok Sabha elections as a Bharatiya Janata Party candidate from Tiruchirapalli and lost on both occasions.

[9] His sister, Parvathi Krishnan was a politician of the Communist Party of India and served three terms as Member of Parliament from Coimbatore.

[9] Kumaramangalam's grandson, Muktesh Mukherjee, and his wife Xiaomao Bai, are among the two Canadian passengers aboard Malaysia Airlines Flight 370 which went missing since 8 March 2014.