Narada Purana — Purva Bhaga, Shloka 9
The Exposition of the Dvādaśī Vow for the Twelve Months
Dvādaśī-vrata-nirṇaya and Mahā-dvādaśī Lakṣaṇas
प्रीयतां कामरूपी मे हरिरित्येवमुच्चरन् । यः कुर्याद्विधिनाऽनेन मदनद्वादशीव्रतम् ॥ ९ ॥
prīyatāṃ kāmarūpī me harirityevamuccaran | yaḥ kuryādvidhinā'nena madanadvādaśīvratam || 9 ||
「欲（カーマ）の姿をとるハリ（ヴィシュヌ）よ、どうか我を喜ばせ給え」と唱え、定められた作法（ヴィディ）に従ってこのマダナ・ドヴァーダシーの誓戒を修する者は、願う聖なる果報を得る。
Narada
Vrata: Madana-Dvādaśī-vrata
Primary Rasa: bhakti
Secondary Rasa: shanta
FAQs
It emphasizes that a vrata becomes spiritually effective when done with correct vidhi and with heartfelt invocation of Hari, here praised as the divine source behind desire (kāmarūpī).
Bhakti is shown through direct address and surrender—reciting a pleasing invocation to Hari—making the vow not merely ritualistic but an act of loving remembrance and worship.
The key practical point is adherence to vidhi (ritual procedure), reflecting the discipline of Kalpa (ritual science) in organizing vows, recitation, and observance on Dvādaśī.