उपवासफलात्मकविधिः — Upavāsa as Yajña-Equivalent Merit
Angiras Teaching
मार्गशीर्ष तु यो मासमेकभक्तेन संक्षिपेत्
mārgaśīrṣa tu yo māsam ekabhaktena saṁkṣipet
अङ्गिरा उवाच—यो मार्गशीर्षमासमेकभक्तेन संक्षिपेत्, स संयमव्रतं चरति; एतद्धि पुण्यं व्रतमिहोक्तं, यत् आत्मनिग्रहं वर्धयति धर्मजीवनं चोपबृंहयति।
अंगियरा उवाच
The verse commends regulated eating—specifically taking only one meal a day during the month of Mārgaśīrṣa—as a form of tapas that cultivates self-mastery and supports ethical, dharmic conduct.
Aṅgirā is enumerating or prescribing month-based religious observances (vratas). Here he highlights the practice of ekabhakta (single daily meal) for the month of Mārgaśīrṣa as a meritorious discipline.