Original sentence: Balochistan was sparsely populated by various tribes, possibly of Dravidian and Indo-Iranian origin, for centuries following the decline of the nearby Harappa-Mohenjo-daro civilisation to the east.Balochistan was the site of the earliest known farming settlements upon the Iranian plateau bordering South Asia, the earliest of which was Mehrgarh dated at 6500 BCE
Edited sentence: Balochistan was sparsely populated by various tribes, of Dravidian and Indo-Iranian origin, for centuries following the decline of the nearby Harappa-Mohenjo-daro civilisation to the east.Balochistan was the site of the earliest known farming settlements in Ancient India, the earliest of which was Mehrgarh dated at 6500 BCE