According to the Rabatak inscription, Kujula Kadphises was the great grandfather of the great Kushan king Kanishka I. He is considered as the founder of the Kushan Empire. He died in the year 80 A.D.
Lothal is located between the Sabarmati river and its tributary Bhogavo, in the Saurasthra region of Gujarat. Its dockyard was well connected with the river Bhogavo.