Who was the author of the book 'Indica', which provides a detailed account of Mauryan India?

Correct Answer: Megasthenes

Subject: history

Megasthenes
Seleucos
Menander
Demetrias

Explanation: • Megasthenes — Greek ambassador of Seleucus I Nicator — to Chandragupta Maurya's court at Pataliputra (~302 BC) • 'Indica' — original lost; preserved in fragments quoted by Diodorus, Strabo, Arrian • Key observations: Pataliputra's magnificence, 7 social classes, rich agriculture, no slavery claim • Seleucus Nicator — Greek ruler who ceded territories (Afghanistan, Baluchistan) to Chandragupta after defeat • Menander (Milinda) — Indo-Greek king; associated with Buddhist text 'Milindapanha' • Deimachos — ambassador to Bindusara's court; Dionysius — to Bindusara from Egypt