The Gandhara School of art was developed in first century AD along with Mathura School during reign of Kushana emperor Kanishka. Both Shakas and Kushanas were patrons of Gandhara School, which is known for the first sculptural representations of the Buddha in human form.
Bhaga, Bhoga, Kara and Hiranya refers to the different types of revenues which were collected by the rulers during the early medieval period. They were the chief sources of revenue to the donees.