The Nanda dynasty ruled in northern part of the Indian subcontinent during the 4th century BCE, and possibly during the 5th century BCE. In 326 BC, Alexander invaded India, after crossing the river Indus he advanced towards Taxila.
The Chola kingdom was known as Cholamandulam, it was situated to the north-east of Pandya kingdom between Pennar and Vellar rivers. Tiger was the royal emblem of Chola Kingdom.