The National flag of India is officially described in the Flag Code of India as follows: "The color of the top panel shall be India saffron (Kesari) and that of the bottom panel shall be India green. The middle panel shall be white, bearing at its center the design of Ashoka Chakra in navy blue color with 24 equally spaced spokes." The flag, by law, is to be made of khadi, a special type of hand-spun cloth of cotton or silk made popular by Mahatma Gandhi.
India Travel Inspiration - Three historic railways comprise a World Heritage site recognizing their importance in trade and technological development. Still in use today, the Darjeeling Himalayan Railway, Nilgiri Mountain Railway, and Kalka Shimla Railway were all begun or completed in the 19th century.