Fifty three-year-old Famida Panwala's medical condition reportedly worsened on Friday night after which she was immediately shifted to the Intensive Care Unit (ICU) ward of the Kasturba Gandhi hospital.
She was admitted to Leelavati hospital initially and was shifted only Friday night at 11.00 p.m to Kasturba Gandhi hospital.
"The cause of the death is not yet confirmed, as the patient was suffering from other complications as well," said Municipal Commissioner Jairaj Phatak.
She was stated to suffering from diabetes and hypertension when she was admitted to the hospital.
The patient was already critical before tests were conducted, stated Brihanmumbai Municipal Corporation (BMC).
On August 3, first death due to H1N1 flu infection was reported after a 14-year-old-girl from Pune succumbed to the deadly influenza.