Veteran actress and comedian Mehmood's sister Minoo Mumtaz passed away in Canada on Saturday. Mona Mathur Ali, wife of Mehmood's producer-brother Anwar Ali, said, "She was not keeping well for a few years and died due to health issues related to old-age." Minoo was known for her role in films like 'Taj Mahal', 'Gaban' and 'Zameer'.