Kushans were most probably one of the five branches of the Yuezhi confederation. Kujula Kadphises was the first Yuezhi chief and he laid the foundation of the Kushana Empire in India. He established his supremacy over Kabul, Kandahar, and Afghanistan.
In the Indus Valley Civilization, the remains of Horse bones have been found from Surkotada site. The site at Surkotada is located 160 km north- east of Bhuj, in the district of Kutch, Gujarat.