Option c is the correct answer During the Later Vedic period the upper Ganga Doab was the centre of the Aryan culture. The clans of Bharatas and Purus combined to form the Kurus, and along with the Panchalas they occupied the central part of the Ganga-Yamuna doab. Panchala territory was in north-western Uttar Pradesh. The Kuru-Panchalas became one major ethnic group and Hastinapur became their capital.