The pearls and coral found in these localities give a new impetus to trade.

425 Kalasoka is succeeded by three sons, ruling in succession.

403 Nanda, the head of a robber band, organises an army, attacks and captures Pataliputra, murders Pinjamakha the king, and ascends the throne. He and his descendants keeping the kingdom intact, reign until 340, when 340 Dasasiddhika is murdered by his wife’s paramour, Indradatta, who puts his son Dhanananda on the throne. This king is the Xandrames or Agrames of Greek writers, and his realm is called the kingdom of the Prasians (Prachyas or Gangarides). He is said to have acquired great wealth, and kept an enormous army.

The power of Magadha is at its height.

327 Alexander the Great begins the conquest of the Aryans on the right bank of the Indus. He captures Pushkala after a siege of thirty days and overpowers the Gandarians.

After a stubborn resistance, the Asvakas (the Assacanes, Aspasians, or Hippasians of the Greeks) are subjugated during the winter.

326 Early in the year Alexander prepares to cross the Indus. Mophis, the ruler of Takahasila (Greek Taxiles), surrenders without resistance. The king of Kashmir sends his brother to announce submission, and several smaller princes come in person to give homage.

Alexander advances to the Vitasta (Hydaspes, modern Jhelum) river, and meets the army of King Porus, whose territory extends to the Asikni. Porus has been promised the assistance of the king of Kashmir, in spite of the latter’s submission to the Macedonian. Before this help arrives Alexander defeats Porus, but restores him to his throne and increases his power by assigning him some conquered territory. The king of Kashmir now comes in person to give homage. The Asvakas revolt and the Khattias, assisted by the Kshudrakas and Malavas, make stubborn resistance, but all are subdued. Other princes submit. The Agalassians are severely defeated.

325 Alexander sails up the Asikni to the Indus. The tribes of the Punjab and Indus are easily reduced.