Velikkakathu Sankaran Achuthanandan (born 20 October 1923) is a veteran Indian politician who was Chief Minister of Kerala from 2006 to 2011.
He was one of the founding leaders of the Communist Party of India (Marxist) and has played a major role in building the party cadre in the state of Kerala.
He is noted for his unique way of speaking and is known as an icon of anti-corruption.

Achuthanandan was a member of the CPI(M) Politburo from 1985 until July 2009, when he was reverted to the Central Committee of the party owing to his ideological dispositions.
He is a mass leader respected for integrity.

Achuthanandan initiated various actions as the Chief Minister, including: the demolition drive in Munnar which claimed back acres of illegally occupied land, the demolition drive in Kochi M. G. Road which claimed back the long lost shoulder of the road, anti-piracy drive against film-piracy, his struggle against the Lottery mafia in the state.
He was instrumental in convicting former minister R. Balakrishna Pillai on charges of corruption.
Achuthanandan also took the lead in promoting free software in the state, and especially in adopting free software in the public education system of the state.

After serving as Chief Minister, he was Leader of the Opposition in Kerala from 2011 to 2016.
He has been Chairman of the Kerala Administrative Reforms Commission since 2016.
Velikkakathu Sankaran Achuthanandan (born 20 October 1923) is a veteran Indian politician who was Chief Minister of Kerala from 2006 to 2011. He was one of the founding leaders of the Communist Party of India (Marxist) and has played a major role in building the party cadre in the state of Kerala. He is noted for his unique way of speaking and is known as an icon of anti-corruption.
Achuthanandan was a member of the CPI(M) Politburo from 1985 until July 2009, when he was reverted to the Central Committee of the party owing to his ideological dispositions. He is a mass leader respected for integrity.
Achuthanandan initiated various actions as the Chief Minister, including: the demolition drive in Munnar which claimed back acres of illegally occupied land, the demolition drive in Kochi M. G. Road which claimed back the long lost shoulder of the road, anti-piracy drive against film-piracy, his struggle against the Lottery mafia in the state. He was instrumental in convicting former minister R. Balakrishna Pillai on charges of corruption. Achuthanandan also took the lead in promoting free software in the state, and especially in adopting free software in the public education system of the state.
After serving as Chief Minister, he was Leader of the Opposition in Kerala from 2011 to 2016. He has been Chairman of the Kerala Administrative Reforms Commission since 2016.
V. S. Achuthanandan