He became an ambassador to the court of the Mauryan ruler Bindusara "Amitragatha" (son of Chandragupta Maurya) in Pataliputra in India.
[2]Deimachus apparently wrote extensively on India, and is quoted as a reference in geographical matters, although his works are now lost.
[3].The computations of Megasthenes and Deïmachus are more moderate, for they estimate the distance from the Southern Sea to Caucasus at above 20,000 stadia.
Deimachus holds the first place in the list, Megasthenes comes next, while Onesicritus and Nearchus, with others of the same class, manage to stammer out a few words [of truth].
They told of ants digging for gold, of Pans with wedge-shaped heads, of serpents swallowing down oxen and stags, horns and all; meantime, as Eratosthenes has observed, reciprocally accusing each other of falsehood.