Kolkata, Jan 7 (Inditop.com) Prime Minister Manmohan Singh Thursday called on 95-year-old Marxist veteran and former West Bengal chief minister Jyoti Basu, who is in a critical condition at a private hospital here following a pneumonia attack.

Accompanied by union Finance Minister Pranab Mukherjee and Chief Minister Buddhadeb Bhattacharjee, who also received him at the airport, Manmohan Singh reached the hospital in Salt Lake at around 1 p.m. and straightaway headed for the Intensive Cardiac Care Unit (ICCU) where Basu is being treated.

He was at the hospital for over 20 minutes. The prime minister then left Kolkata from the Netaji Subhas Chandra Bose International (NSCBI) airport.

Basu was admitted to the hospital near his Indira Bhavan residence on Jan 1 and is on ventilator support.