In the Jamvukhaṇḍa-nirmāṇa(Jamvukhanda-nirmana; Making of Jamvukhanda) episode of Bhīṣmaparva (Bhishmaparva) , an ancient river called Anuṣṇā (Anushna)is mentioned along with the river Purāvatī (Puravati). In the Mahābhrata (Mahabharata)-edition by Haridāsa Siddhantavāgīśa, the name is Puṇyavatī (Punyavati).