Rasendrapurana 34.27

Rasendrapurāṇa 34.27

ekādaśapra0nāgeśvararasanirmāṇavidhiḥ
paladvayaṃ mṛtaṃ nāgaṃ hiṅgulaṃ ca paladvayam
śilā karṣamitā grāhyā sarvatulyaṃ hi gandhakam