Skanda Purana — Kashi Khanda, Shloka 50
होमं तिलाज्यद्रव्येण यः करिष्यति भक्तितः । तस्यां चतुर्थ्यां मंत्रज्ञस्तस्य मंत्रः प्रसेत्स्यति
homaṃ tilājyadravyeṇa yaḥ kariṣyati bhaktitaḥ | tasyāṃ caturthyāṃ maṃtrajñastasya maṃtraḥ prasetsyati
凡以虔敬之心，以芝麻与酥油为供，行护摩者——于彼第四日（Caturthī），若其通晓真言，则其真言必定灵验成就。
Skanda (ritual fruit regarding mantra-siddhi) in the Kāśī-khaṇḍa Skanda-to-Agastya frame
Tirtha: Māgha-śukla Caturthī homa in Kāśī (Dhūṇḍhirāja context)
Type: kshetra
Listener: Kāśī-māhātmya interlocutor/audience
Scene: A small homa-kuṇḍa burns steadily in a Kāśī courtyard; the votary offers sesame mixed with ghee into the fire while reciting mantras; the flames rise in a controlled spiral, symbolizing mantra becoming ‘prasanna’ and effective.
FAQs
Devotional ritual aligned with sacred timing empowers spiritual practice, culminating in mantra efficacy.
Kāśī as the ritual context (chapter setting) where Caturthī homa is praised.
Perform homa with sesame and ghee on Caturthī; for a mantra-knower, this leads to mantra success.