Complex sentence: Throughout the last few millennium the society of the Indian sub continent, was organized in various forms, tribal, village, monarchical or republican the mode of governing was that of a council of five, which in time was called a Panchayat.
Split into simpler sentences: Throughout the last few millennia, the society of the Indian subcontinent was organized in various forms, such as tribal, village, monarchical or republican. The mode of governance was that of a council of five, which was called a Panchayat.