The fungus, also called `black fungus', is present in the environment, but those with suppressed immunity or co-morbidities are more vulnerable to its infection, he said.
"The next 48 hours will be critical for her," J J Hospital Dean Dr T P Lahane told reporters on Saturday when asked if she is out of danger.
According to hospital sources, Indrani's counsel Gunjan Mangla met JJ Hospital Dean Dr TP Lahane, who apprised her about the condition of 43-year-old Indrani.
Washim's civil surgeon and the doctor who performed the surgeries have been suspended.
A woman social worker has slapped a legal notice on the dean of JJ Hospital in Mumbai for allegedly "throwing out" a mentally-challenged youth from the hospital last year without completing his medical treatment for severe leg injury.
Here are the latest updates in the case in which cops have said that they have a 'fair idea for the motive'