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.
Rajadhiraja was a great warrior. He always led from the front standing shoulder to shoulder with his men on front lines and earned the title of Jayamkonda Chola which means the victorious Chola King.