Rasendrapurana 46.133

Rasendrapurāṇa 46.133

vajradrāvavidhiḥ
vajravallyantarasthaṃ ca kṛtvā vajraṃ nirutthitam
amlabhāṇḍagataṃ svedyaṃ saptāhādbhavatāṃ vrajet