45. Non-discrimination on the road – The appropriate Governments and the local authorities shall, within the limits of their economic capacity and development, provide for-
a. installation of auditory signals at red lights in the public roads for the benefit of persons with visually handicap;
b. causing curb cuts and slopes to be made in pavements for the easy access of wheel chair users;
c. engraving on the surface of the zebra crossing for the blind or for persons with low vision;
d. engraving on the edge of railway platforms for the blind or for persons with low vision;
e. devising appropriate symbols of disability;
f. warning signals at appropriate places.