What does the wheel on the Indian flag stand for?

The wheel in navy blue on the flag of India is to indicate the Dharma Chakra, the wheel of law in the Sarnath Lion Capital. This center symbol or the 'CHAKRA' is a symbol dating back to 2nd century BC. Its diameter approximates the width of the white band and it has 24 spokes, which intends to show that there is life in movement and death in stagnation.