In about 8000 B.C., the valley of Kashmir was a vast lake surrounded by the Lofty mountains. The Nilamatct-purana of Nilanaga is the earliest source of information about the origin of Kashmir, its earliest inhabitants and its tirthas. It tells us as to how Shiva drained off the lake by striking the mountains with his trisul, how the Nagas succeeded in the killing the jalod, the ruler of the clan inhabiting the lake and the details about the fourteen tribes, which ...