90 Covid-19 recovered patients died due to the death dealing incurable fungal in Maharashtra. The patients are getting black fungus after the usage of heavy steroids to rid of the Covid-19 virus. The human body with high blood sugar level.The respective health authority in Maharashtra is suggesting the patients to sterilize the living space and maintain hygienic after post recovery from the Covid-19 virus. The Government also recommended the front line doctors treating black fungus to use distilled water in humidifiers of oxygen supplying machines in COVID-19 wards.