Shloka 21
अलंबलवधः (Alaṃbala-vadhaḥ) / The Slaying of Alaṃbala and the Advance toward Karṇa
उपाकृत्य तु वै विद्यामाचार्ये भ्यो नरर्षभा:
upākṛtya tu vai vidyām ācāryebhyo nararṣabhāḥ
সঞ্জয় ক’লে—আচাৰ্যসকলৰ পৰা বিধিপূৰ্বক বিদ্যা গ্ৰহণ কৰি তাত পাৰদৰ্শী হোৱা সেই নৰশ্ৰেষ্ঠসকল…
संजय उवाच
Educational Q&A
The line foregrounds the dharmic ideal of learning received through proper discipleship: knowledge—especially martial and ethical discipline—is to be acquired respectfully from qualified teachers, and such training is presented as a mark of noble character.
Sañjaya is describing eminent warriors as having completed their instruction under their preceptors; the verse functions as a lead-in to subsequent actions in the war narrative, grounding their prowess and conduct in formal training.