(1) A clear passage or gangway shall be formed at the sides and down the centre of the seating in every part of the auditorium in such manner that no seat shall be three or more meters distant from passage or gangway measured in the line of seating. The central passage of gangway shall be atleast 1.20 meters wide and those at the sides shall be atleast 0.90 meter wide each:
Provided that, nothing in this sub-rule shall apply to premises in any area duly licensed for use for cinernatograph exhibition before the coming into force of these rules in that area.
(2) Where possible, gradients or inclined planes shall be used instead of steps but ~o gradient or inclined plane shall be steeper than 1 in 10.