Section 82A(9) in The M.P. Bhumi Vikas Rules, 1984
(9)Corridor connecting the entrance/exit for the handicapped. - The Corridor connecting the entrance/exit for handicapped leading directly outdoors to a place where information concerning the overall use of the specified building can be provided to visually impaired persons either by a person or by signs, shall be provided as follows;(a)Guiding floor materials shall be provided or devices that emit sound to guide visually impaired persons;(b)The minimum width shall be 1500 mm ;(c)In case there is a difference of level slope ways shall be provided with slope of 1 : 2;(d)Handrails shall be provided for ramps/slope ways.