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.
The Ikshavakus arose on the ruins of Satavahana power in eastern part of the peninsula in India. The Ikshavakus left behind many monuments at Nagarjunkonda and Dharanikota. They were a local tribe.
Halivakara is a kind of tax in the Gupta era. Halivakara was a plow tax, paid by every cultivator owning a plow.Some of its taxes include Bali, Bhoga, etc.