The Indian Army has followed the British Army rank system since India's independence from the British Empire in 1947. However, the crown in the rank insignia has been replaced with the Ashoka Lion, which symbolizes the sovereignty of the Government of India.
Colonel in the Indian Army is equivalent to captain in the Indian Navy and group captain in the Indian Air Force. Like other armies, this rank is higher than Lieutenant Colonel and lower than a Brigadier.
He is the head of any military group