On the Yamuna (Jumna) river at the western end of the great Ganga valley, the capital seems to have been a coveted place for India's conquerors.
The Jumna river is east of the Ganga valley.
mnli hypothesis: The Jumna river is east of the Ganga valley. premise: On the Yamuna (Jumna) river at the western end of the great Ganga valley, the capital seems to have been a coveted place for India's conquerors.