Puranic Encyclopaedia: A Comprehensive Dictionary with Special Reference to the Epic and Puranic Literature c9.3287

c9.3287

4) Śiva makes preparations. As a first step to the slaughter of the Tripuras, Śiva sent Nārada to Tripura. Nārada by his unusual spiritual powers made the asura women feel more and more attached to the devas. Śiva at that time thinking about the convenience for a fight with the Tripuras came and settled down on the shores of the river Narmadā. That was how Narmadā became a holy river. (Chapter 13, Padma Purāṇa).