Section 15(3) in Tamil Nadu District Municipalities (Hill Stations) Building Rules, 1993
(3)Minimum width of door, corridor or passage. - No door way or corridor or passage, serving as exit to a building shall be less than one metre in width. The doors of kitchen, bath and flush-out latrine shall not be less than 0.60 metre clear in width and the passage leading to the same shall not be less than 0.75 metre.
