Section 50(2)(iii) in Assam Notified Urban Areas (Other than Guwahati) Building Rules, 2014
(iii)it shall have a window of a superficial area of not less than 0.2 sq.m and it shall open upon minimum wide open space or open to an open verandah of not more than 1.8m wide opening on to such open space, or to any duct, the sizes of which should be as prescribed in clause light and ventilation of rooms;