Srimad-Bhagavatam: Canto 4 - Chapter 1 - Verse 35
Sanskrit:
ऋषिभि: स्वाश्रमपदं गते पुत्रकलेवरम् ।सुनीथा पालयामास विद्यायोगेन शोचती ॥ ३५ ॥
ITRANS:
ṛṣibhiḥ svāśrama-padaṁgate putra-kalevaramsunīthā pālayām āsavidyā-yogena śocatī
Translation:
After all the sages returned to their respective hermitages, the mother of King Vena, Sunīthā, became very much aggrieved because of her son’s death. She decided to preserve the dead body of her son by the application of certain ingredients and by chanting mantras [mantra-yogena].