Ashoka’s Dhamma emphasised on non-violence and mutual respect. It encompassed a social and intellectual code of ethics. It focused on primacy of ethical behaviour and the recognition of the dignity of human life.
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.