chennai educational institutions in chennai kancheepuram vellore and tiruvallur districts will remain closed on friday due to rain collectors of each of these districts declared a holiday for educational institutions after heavy rain lashed the area on thursday night and friday morning madras university has also cancelled all the examinations scheduled for friday new dates will be announced later said r thandavan vice chancellor madras university most educational institutions in chennai have remained closed for week due to rain and diwali the met department has forecast that a depression that has formed in the bay of bengal will bring more rain to tamil nadu