- Most died due to smoke inhalation, according to preliminary reports
- More than 100 people were injured
Another 106 were injured, she said.
The fire started about 7:30 p.m. local time at the Sum Hospital, a private hospital and medical college, and was contained in less than two hours, according to Ahuja.
More than 600 patients were admitted to the hospital when the blaze broke out in the first-floor dialysis unit.
The fire then spread to the intensive care unit.
Indian Prime Minister Narendra Modi responded to the incident on Twitter, calling it a "mind-numbing" tragedy.
According to preliminary reports, most people might have died due to smoke inhalation, Ahuja said.
An investigation is underway to determine the cause of the fire, she said.