Rasendrapurana 5.97

Rasendrapurāṇa 5.97

śodhitasya mukhakaraṇaṃ pakṣacchedanaṃ ca
viṣopaviṣairmardyaḥ pratyekaṃ dinasaptakam
tenāsya jāyate vahniḥ pakṣacchedo mukhaṃ tathā