[2] Menon was the State Secretariat Member of Communist Party of India (Marxist) in Kerala.
[3] He was part of the Kerala State Education Advisory Board and a member of the Syndicate of Calicut University.
[3] Menon was elected to the Kerala Legislative Assembly from Malampuzha constituency in 1987, 1991 and in 1996 as a CPI(M) candidate.
[2] Menon entered controversy after his reaction against the police brutality on SFI leader Biju.
During the C. H. Kanaran memorial meet at Thalassery Bus Stand, he threatened the police to suffer serious consequences for their actions.