The true test of Krishna's vow came during one of the darkest chapters of the Mahabharata — the Sabha Parva. After Yudhishthira lost everything in the rigged game of dice against the Kauravas — his kingdom, his wealth, his brothers, and even himself — Duryodhana, intoxicated with triumph, ordered that Draupadi be dragged into the assembly hall. She was brought before the entire court, humiliated and helpless, as the Kaurava prince Dushasana attempted to disrobe her in front of the gathered kings, elders, and warriors.
Draupadi pleaded with the elders — Bhishma, Drona, Vidura — but none intervened with the force needed to stop the atrocity. Even her five husbands, the mighty Pandavas, sat bound by the technicality of the dice game and could not act. In her moment of utter desperation, Draupadi released her grip on her own sari and raised both hands in surrender, calling out to Krishna — her sakha, her divine brother, her protector.
From the Sabha Parva: Draupadi cried out, "Govinda! He Dwaraka-vasin! Krishna! Do you not see my plight? I have no one but you." Her surrender was total, and Krishna's response was immediate and infinite.
As Dushasana pulled at her garment, the fabric never ended. Krishna, though not physically present in the court at Hastinapura according to most recensions, extended his divine grace from afar. Yard after yard, the sari multiplied endlessly. Dushasana pulled and pulled until he collapsed from exhaustion, surrounded by mountains of cloth, yet Draupadi remained covered and dignified. This miraculous event is known as the vastraharan — the attempted disrobing — and it stands as one of the most powerful demonstrations of divine protection in all of Hindu scripture.
The strip of cloth that Draupadi had once given to Krishna was returned a thousandfold. One small act of compassion, answered with infinite grace. This is the spiritual mathematics of Raksha Bandhan — give a thread, receive an ocean of protection. The incident also set the stage for the great Kurukshetra War, as Draupadi's humiliation became one of the primary moral causes that justified the Pandavas' battle against the Kauravas. Read more about the three most important women in Sri Krishna's life to understand the depth of these divine relationships.