Shiva Purana
यो भारते रणे ख्यातः पितुराज्ञामवाप्य च ॥ सहायकृद्बभूवात कौरवाणां महाबलः ॥ १५ ॥
Securing the permission and behest of his father that famous hero helped the Kauravas in the Mahābhārata war.
english translation
yo bhArate raNe khyAtaH piturAjJAmavApya ca ॥ sahAyakRdbabhUvAta kauravANAM mahAbalaH ॥ 15 ॥
hk transliteration by Sanscript