"She complained of breathlessness in the evening after which she was taken to the ICU," a source at the super-speciality Belle Vue Clinic said. (Agencies)
The 82-year-old actress, who lives a secluded life and stays locked up inside her apartment, was admitted to the hospital on December 23 after she had respiratory troubles.
Her granddaughter actress Raima Sen, however, said she is better now.
The clinic has formed a five-member-committee led by cardiologist Dr Subrata Moitra to monitor the health of the actress. The board will meet again to take stock of her health.
Sources said Sen also has diabetes which complicated the matter further. She is being administered antibiotics and oxygen, they said.
Sen, who began her career with Bengali film 'Shesh Kothai' in 1952, went on to receive National Award for her performance in the 1955 Hindi film 'Devdas'. She is also the first Indian actress to be awarded at an international film festival - best actress award for 'Saat Paake Bandha' at the Moscow film festival in 1963.
But after her 1978 movie 'Pronoy Pasha' with Soumitra Chatterjee flopped, she disappeared from public eye and even allegedly refused the Dadasaheb Phalke Award in 2005 preferring not to make a public appearance.
"She complained of breathlessness in the evening after which she was taken to the ICU," a source at the super-speciality Belle Vue Clinic said.