State Emblem of India remained the emblem of the Indian government ever since. The emblem forms a part of the official letterhead of the Government of India and appears on all Indian currency as well. It also functions as the national emblem of India in many places and appears prominently on Indian passports. The Ashoka Chakra (wheel) on its base features in the centre of the national flag of India. The usage of the emblem is regulated and restricted under State Emblem of India (Prohibition of Improper Use) Act, 2005. No individual or private organisation is permitted to use the emblem for official correspondence.
Sudarshana Chakra on one side and Narasimha on other side (called Sudarshana-Narasimha in Pancharatra) within a circular rim, sometimes in dancing posture found in Gaya area datable to 6th and 8th centuries. Unique images of Chakra Purusha, one with Varaha in Rajgir possibly dating to the 7th century, While the chakra is ancient, with the emergence of the anthropomorphic forms of chakra and shankha traceable in the north and east of India as the "chakra-purusha" and "shanka-purusha"; in the south of India, the Nayak period popularized the personified images of Sudarshana with the flames. In the Kilmavilangai cave is an archaic rock-cut