"His condition is slightly better than yesterday. There is marginal improvement. He is stable," sources at Narayana Hrudayalaya said.
The 94-year-old Dey, who has sung more than 3,500 songs in different languages, including Hindi and Bengali, in a career spanning seven decades, has made Bangalore his home after living in Mumbai for 50 years.
Dey, a Dadasaheb Phalke awardee, was hospitalised for chest infection on Saturday after his health deteriorated before which he was being treated at his home for the past couple of weeks.