Nīlakaṇṭha-nāmotpatti-kathana
Origin of the Epithet “Nīlakaṇṭha”
यं मे दक्षिणो बाहुर्ब्रह्मा लोकपितामहः / वामो बाहुश्च मे विष्णुर्नित्यं युद्धेष्वनिर्जितः
yaṃ me dakṣiṇo bāhurbrahmā lokapitāmahaḥ / vāmo bāhuśca me viṣṇurnityaṃ yuddheṣvanirjitaḥ
My right arm is Brahmā, the grandsire of the worlds; my left arm is Viṣṇu, ever unconquered in battles.