The Naga Son Who Grew Up Away From His Father
Iravan was the son of Arjuna and Ulupi, the naga princess, an episode covered elsewhere in this series, and grew up in his mother's underwater kingdom rather than at Hastinapura or Indraprastha. When war became certain, Iravan came to Kurukshetra with a contingent of naga warriors to fight alongside his father, an arrangement that appears mainly in the fuller Southern recensions of the Mahabharata and, especially, in the Tamil Kuttantavar or Koothandavar tradition, where his story receives its most developed treatment.
Before the fighting began, the Pandava side sought guidance on how to guarantee victory in a war that was, by every ordinary measure, likely to be catastrophically costly regardless of outcome. Different tellings vary on the exact ritual mechanism, but the consensus across them is that a specific sacrifice was required: a warrior possessing every mark of perfection, in body, character and lineage, needed to offer himself voluntarily to the goddess Kali as an oblation before the war, to secure victory for the Pandava side.
The Only One Who Qualified
Among the entire assembled Pandava host, only Iravan was found to meet the standard the ritual required: unblemished in body, of impeccable lineage on both his divine father's and naga mother's sides, and, crucially, willing to volunteer.
Iravan agreed, but asked for one condition before going through with it: since he would die without ever having known marriage, he wished to be married for at least one night before the sacrifice, so as not to die unwed, which was considered a genuine misfortune in the tradition.
This presented a practical problem, since no woman was willing to marry a man certain to become a widow within a day. Krishna resolved it by taking the female form of Mohini and marrying Iravan himself for that single night, then mourning him with full widow's rites after the sacrifice the next morning, a detail that has made Iravan, under the name Aravan or Koothandavar, the patron figure of a significant devotional and social tradition in Tamil Nadu among transgender and Hijra communities, who trace an important part of their own ritual identity to Krishna's temporary transformation for this specific act of compassion.
Koothandavar and the Festival That Continues Today
The village of Koovagam in Tamil Nadu holds an annual festival, the Koovagam Aravan Festival, centred entirely on this episode, in which thousands of transgender women and Hijra participants ceremonially marry Aravan, re-enacting Krishna's own marriage to him, and then mourn his sacrificial death the following day in an elaborate ritual of collective widowhood, breaking their bangles and removing their marriage symbols in shared grief.
The festival stands as one of the clearest examples in living Hindu practice of a relatively minor Sanskrit-epic episode becoming the foundation of an entire, still-thriving regional devotional and community identity, with Iravan's brief appearance in the core Mahabharata expanding, through the Tamil Kuttantavar tradition, into a figure of central religious importance to a community the mainstream epic itself barely acknowledges.
Within the war's own narrative, Iravan's sacrifice is credited with securing the ritual conditions for Pandava victory, and he is separately said to have fought and died in battle as well in some tellings, giving him a double death, once as a ritual offering and again, in other versions, in actual combat against Alambusha, a rakshasa allied with the Kauravas.
Common Questions From Devotees
Is the Kali sacrifice tradition part of the core Sanskrit Mahabharata?+
It appears primarily in the fuller Southern recensions and Tamil regional tradition rather than being a universal feature of every Mahabharata manuscript, which is part of why the episode is far better known in South India than elsewhere.
Why is Iravan specifically important to transgender communities in Tamil Nadu?+
Krishna's own transformation into Mohini to marry Iravan provides a divine precedent within Hindu tradition for gender fluidity connected directly to compassion and devotion, which many Hijra and transgender devotees hold as sacred grounding for their own identity and community festival.
Did Iravan's death actually determine the outcome of the war?+
Within the ritual logic of the tradition that includes this episode, his sacrifice is credited with securing the necessary conditions for Pandava victory, though the war's actual outcome is still narrated through the full eighteen days of conventional battle that follow.
About the author
Anjali Mehta · Editor, M.A. Religious Studies
Anjali is the managing editor for Vandnaa and oversees the festival and vrat coverage. She holds an M.A. in Religious Studies and reviews every published article for accuracy, accessibility, and tradition-fidelity.
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