Section 23D(1)(iv) in Haryana Municipal Building Bye-laws 1982
(iv)Entrance Landing. - Entrance landing shall be provided adjacent to ramp with the minimum dimension 1800 millimeter x 2000 millimeter. The entrance landing that adjoin the top end of a slope shall be provided with floor materials to attract the attention of visually impaired persons (limited to coloured floor material whose colour and brightness is conspicuously different from that of the surrounding floor material or the material that emit different sound to guide visually impaired persons hereinafter referred to as "guiding floor material"). Finishes shall have a nonslip surface with a texture traversable by a wheel chair. Curbs wherever provided shall blend to a common level.