Police said Tinku and Manu — both 18 years of age and residents of Vasant Kunj in South Delhi — picked up a brawl over Rs 100 early in the morning.
As the tiff intensified, both Tinku and Manu stabbed each other. Manu sustained injuries in his chest while Tinku got stab wounds on his shoulder.
Both of them were rushed to the AIIMS where their condition is stated to be out of danger.