Narmada Stone Shivling, also known as Banalinga,is a naturally formed sacred symbol of Lord Shiva, which is found only in the sacred Narmada River in India. These Shivlings are smooth, elliptical stones that are created through natural transformation in the banks of the river, which represent the divine presence and infinite energy of Shiva. Worshipping a Narmada Shivling is said to b... https://vedicvaani.com/deity-idols-and-pictures/shivling/narmada-shivling