Keezhoote Raman Balakrishna Pillai (8 March 1935 – 3 May 2021) was an Indian politician who served as minister of the state of Kerala in India, holding portfolios such as Transport and Electricity. He was a member of the Kerala Legislative Assembly from Kottarakara constituency in Kollam district for almost three decades. He was the Chairman of Kerala Congress (B).^[1] Throughout his political career, Pillai remained a controversial figure in Kerala state politics. He was the first Kerala minister to be imprisoned for corruption.

Gandeevam, a biography of Pillai written by Vrindavanam Venugopalan with a foreword by Sooranad Kunjan Pillai, was published by Viswakeralam Daily. Pillai's autobiography was published by DC Books in 2011. He also acted in two Malayalam movies in 1979 and 1980 - Vedikkettu and Ival Oru Naadody. Prisoner 5990 is his autobiography.

Balakrishna Pillai was born on 3 April 1934, in Valakom near Kottarakkara in Kollam district, as the son of Keezhoote Raman Pillai and Karthyayani Amma. His father was a wealthy Nair landlord with plenty of land in the present-day Kerala and Tamil Nadu states. He was married to Vatsala and has two daughters and a son. The latter, K. B. Ganesh Kumar, is a film actor and politician who served as a state minister during 2001–03 and 2011–13.^[2] His wife Vatsalakumari died on 3 January 2018 aged 76.^[3]

Pillai died on 3 May 2021, at Vijaya hospital in Kottarakkara.^[4] He was admitted to the hospital a few days earlier owing to respiratory issues and was on ventilator support.^[5] His body was cremated with full state honours at his home in Kottarakkara. He is survived by his three children - two daughters named Usha and Bindu, and his only son Ganesh Kumar. Valsala, his wife, predecased him in 2018.

The government appointed Justice K. Sukumaran to inquire into allegations related to the Idamalayar and Kallada Dam construction projects. Based on his report, R. Balakrishna Pillai and others were prosecuted by a Special Court.^[11] The Supreme Court on 10 February 2011 sentenced R. Balakrishna Pillai and two others to one-year imprisonment for allegedly abusing their position in the award of a contract for the Edamalayar hydroelectric power project.^[12] The apex court bench of Justices P. Sathasivam and B.S. Chauhan reversed the Kerala High Court judgment which had acquitted all three. Chief Minister V. S. Achuthanandan had moved the Supreme Court, in his personal capacity, challenging the verdict of acquittal and the apex court allowed Achuthanandan's appeal.

• Mukhyamanthri
• Vedikkettu
• Ival Oru Naadody
• Neelasaree