Śrīmad-Bhāgavatam · Text 10.63.6
Who is speaking and story frame
बाणार्थे भगवान् रुद्र: ससुत: प्रमथैर्वृत: ।
आरुह्य नन्दिवृषभं युयुधे रामकृष्णयो: ॥ ६ ॥
bāṇārthe bhagavān rudraḥ
sa-sutaḥ pramathair vṛtaḥ
āruhya nandi-vṛṣabhaṁ
yuyudhe rāma-kṛṣṇayoḥ
Lord Rudra, accompanied by his son Kārtikeya and the Pramathas, came riding on Nandi, his bull carrier, to fight Balarāma and Kṛṣṇa on Bāṇa’s behalf.
Read the purport on Vedabase.ioFrom Canto 10, chapter 14 onward, the translation and purports were completed by Śrīla Prabhupāda's disciples after his departure, and published by the Bhaktivedanta Book Trust.