Megasthenes, who wrote the Indica, came to the court of Chandragupta Maurya as the ambassador of

Explanation

1. 01

   After his conflict with Chandragupta, Seleucus Nicator made peace and sent Megasthenes to the Mauryan capital, Pataliputra.

2. 02

   His Indica survives only in quotations by later Greek writers, but it is a major outside source on Mauryan India.