What came before the Mughals?

India's history starts with theIndus valley civilization.which was a very advanced civilization which was very organized..then came the Aryans might have driven away the indus civilization people....the aryans came from north-west Asia. then came the early empires-mauryan,kalinga,nanda,khushan,ect..(not in order {the empires}) then came mahumad of ghazni who invaded India ..then one of his men ,after he died ,took over India which is called slave dynasty......in the slave dynasty there came a very weak leader called ibrahim lodi who was defeated by babur the founder of the mughals.....then came the mughals.......