Jarāsandha’s Siege of Mathurā, Kṛṣṇa-Balarāma’s Victory, and the Founding of Dvārakā amid Kālayavana’s Threat
तस्मादद्य विधास्यामो दुर्गं द्विपददुर्गमम् । तत्र ज्ञातीन् समाधाय यवनं घातयामहे ॥ ४८ ॥
tasmād adya vidhāsyāmo durgaṁ dvipada-durgamam tatra jñātīn samādhāya yavanaṁ ghātayāmahe
“Therefore We will immediately construct a fortress that no human force can penetrate. Let Us settle our family members there and then kill the barbarian king.”
To safeguard His relatives and the Yadava community by establishing a stronghold that enemies could not easily penetrate, while preparing to neutralize the threat of Kālayavana.
In this chapter, the term 'Yavana' refers specifically to Kālayavana, the powerful foreign aggressor who attacked Mathurā.
Devotional life includes wise, dharmic planning—protecting dependents and acting strategically against danger while keeping one’s higher purpose centered on the Lord.