The National Flag of India is horizontally rectangular in a shape. It comprises of four colours, The India Saffron, White, India Green which are the primary colours and the Navy Blue which is the secondary colour. The saffron colour signifies courage, sacrifice, valour, wisdom and action. It is a mixture of two colours red and yellow in fixed ratios. White symbolizes purity, peace and tranquility. Green symbolizes growth of the country, the vegetation, agriculture and plant life – relation with the earth, on which all other life depends. The Navy blue in the Chakra refers to the boundless sky and fathomless sea and the inner energy.
The Indian Flag has the Ashoka Chakra on the white band which has 24 equally spaced spokes. The wheel/chakra is the Law of Dharma. It also means 24 hours a day which indicates movement of time i.e., the progressiveness of the country.
The ratio of the width to length of the Flag is 2:3. The fabric used to make the national flag to be used in government offices or public premises has to be either Khadi/Hand-spun cotton or silk. For the general public the flag can be of any material. However, earlier it was mandatory to use Khadi.