'Hazarika's condition is critical. He has infection and is on medical support and dialysis. We hope that he improves within two-three days," Jayanta Narayan Saha, in-charge of media relations at the hospital, told PTI.
He added that the singer is not in coma.
Hazarika's health deteriorated on October 23 after he developed pneumonia. He had to undergo a minor surgery whereby doctors placed a food pipe into his system.
The 86-year-old Dada Saheb Phalke Award winner is undergoing treatment at the hospital since June 29
Pataudi critically ill, moved to ICU
Foreign Minister Krishna serves PTI legal notice
Indira Gandhi a woman with guts, Dr Singh mild: Thackeray
Fan pays unique tribute to Bhupen Hazarika
Narayan Rane pleads innocence in Adarsh scam