Complex sentence: They ruled over for about 456 years, from the 2nd century BC to the 2nd century AD.the kingdom included most of the southern peninsula and some southern parts of the present Indian states of Maharashtra, Orissa and Madhya Pradesh.
Split into simpler sentences: They ruled over for about 456 years, from the 2nd century BC to the 2nd century AD. The empire included most of the southern peninsula and some southern parts of the present Indian states of Maharashtra, Orissa and Madhya Pradesh.