Section 59(1)(g) in Assam Notified Urban Areas (Other than Guwahati) Building Rules, 2014
(g)the access to the basement shall be separate from the main and alternate staircase providing access and exit from higher floors, where the staircase is continuous in case of building served by more than one staircase the same shall be of enclosed type serving as a fire separation from the basement floor and higher floors; and