Mumbai, Aug. 19 -- The school education department declared a holiday for all schools in the Mumbai Metropolitan Region (MMR) on Tuesday after the India Meteorological Department (IMD) issued a red alert indicating very heavy rainfall. The University of Mumbai (MU) has also postponed the examinations scheduled for the day. The Brihanmumbai Municipal Corporation (BMC), on its X handle, announced a holiday for colleges in the city. Several schools have decided to conduct online classes to ensure no disruption in the course of academics. On Monday, the government had announced a holiday only for the afternoon session. In some schools, the announcement came just half an hour before the classes commenced, forcing many parents to rush to pick up their children. Many schools then shifted to online mode of instruction. MU's Director of the Board of Examinations and Evaluation issued a circular postponing the several examinations scheduled for Tuesday to Saturday....