The Kushanas were also called as Guishuang as mentioned by various Chinese texts. Kushanas were also known as Tocharians and were one of the five tribes of Yueh-Chi or Yuezhi.
Fa-hein, the first Chinese Buddhist traveller and monk, came to India during the reign of Gupta emperor Chandragupta II and wrote the book “Si- Yu-Ki” that gives the detail account of the political and social condition of that time.
EXAMIANS