When Jarāsandha (Jarasandha), in order to take revenge upon Kṛṣṇa (Krishna), launched an attack against Mathurā (Mathura), one Ekalavya, a valiant warrior and the son of Aṁśumān, protecting the eastern gate of Mathurāpurī (Mathurapuri; the city of Mathura). As his father’s name is different, we can take him as a different person , other than Naiṣādi (Naishadi; son of a Nishada; a hunter by profession) Ekalavya.