The river constituted the boundary between the Panjab and the Ganges-Jumna basin. - Frederick Eden Pargiter

The Aryans began at Allahabad, conquered and spread out northwest, west and south, and had by YayAti’s time occupied precisely the region known as MadhyadeSa… They expanded afterwards into the Punjab and East Afghanistan, into West India and the northwest Dekhan…

The bulk of the Rigveda was composed in the great development of Brahmanism that arose under the succesors of king Bharata who reigned in the upper Ganges-Jumna doab and plain;

The arguments used to prove the advance of the Aryans from Afghanistan into the Punjab might simply be reversed.