Option c is the correct answer Alexander the Great, was a king of the ancient Greek kingdom of Macedona. He reigned from 336 to 323 BC. Nearchus was one of the officers, a navarch, in the army of Alexander. Onesi critus was a Greek historical writer and Cynic philosopher accompanied Alexander on his campaigns towards India. Aristobulus was probably one of the friends of Alexander's father Philip and accompanied Alexander on his journey towards India. Deimachus was a Greek of the Seleucid Empire. Therefore, Deimachus did not came to India with Alexander. Important Tips Deimachus was sent by the Syrina ruler Antiochus I to India. Deimachus became an ambassador to the court of the Mauryan ruler Bindusara "Amitragatha" in Pataliputra. As an ambassador, Demarches was the successor to the famous ambassador and historian Megasthenes