A file photo of 1994 shows Jyoti Basu with Mother Teresa at a function in Kolkata.
A well-wisher presents flowers to Indian veteran communist leader and former chief minister of West Bengal, Jyoti Basu, during his 96th birthday celebrations in Kolkata on July 8, 2009.
Argentina's soccer team head coach Diego Maradona (L) along with veteran Marxist leader Jyoti Basu look at a photo album of Fidel Castro's visit to Kolkata on December 7, 2008.
Jyoti Basu (L) with Buddhadeb Bhattacharya attend the 30th anniversary celebrations of the communist party government in Kolkata on June 21, 2007.
Former Indian prime minister VP Singh (L) speaks to veteran Marxist leader Jyoti Basu, who retired as chief minister of West Bengal last month, in Calcutta (now Kolkata) on December 10, 2000.
Indian Nobel laureate Amartya Sen (L) speaks with Indian communist leader Jyoti Basu (R) during the inauguration of the 61st annual session of the Indian History Congress in the eastern Indian city of Calcutta on January 2, 2001.
Veteran communist leader and former chief minister of West Bengal Jyoti Basu (L) speaks with Indian Prime Minister Manmohan Singh at his residence in Kolkata on July 11, 2006.
Film-maker Deepa Mehta (R), who has faced violent protests from Hindu zealots, talks to Jyoti Basu in Calcutta on February 24.
Indian Prime Minister Inder Kumar Gujral (R) with Jyoti Basu in Calcutta (now Kolkata) on November 22.
[caption id="attachment_766484"] Sonia Gandhi (R) chats with Communist party leader Jyoti Basu, before a meeting in New Delhi on April 20. [/caption]
Communist chief minister of the eastern state of West Bengal and leader of Communist Party of India (Marxist) (CPI-M), Jyoti Basu (R), with party general secretary Harkishan Singh Surjeet and leaders of Janata Dal during a joint meeting of National Front-Left Front (NF-LF) in New Delhi on May 11.
Jyoti Basu with Trinamool Congress chief Mamata Banerjee at a programme in Kolkata.