In her over seven-decade career, Mangeshkar has sung more than 30,000 songs across languages.
The iconic singer was taken to the hospital due to viral chest congestion
She is considered one of the greatest playback singers in Indian cinema and received the Bharat Ratna, India's highest civilian honour, in 2001.
The 90-year-old Mangeshkar was admitted to the Breach Candy Hospital in the early hours of Monday where Dr Patit Samdhani is treating her.
Mangeshkar's younger sister Usha said the singer had a viral infection and should be discharged by Tuesday
PM Narendra Modi also sought Mangeshkar's blessings
Mangeshkar was recognised as a veteran singer who has produced many memorable hits in Hindi movies