Fa Hien or Faxian who was a famous Chinese traveler, visited India during his reign of Chandragupta II. He came through land route and went back through sea route.
In the post-Mauryan period, the techniques of cloth-making, silk- weaving, and the manufacture of luxury articles developed. Mathura was a great center for the manufacture of a special type of cloth which was called shataka.
Viharas were for the purpose of living, Chaityas were assemblies for the purpose of discussions. Further, Chaityas were with Stupas, Viharas did not have stupas.
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