Three persons - Nitin Sethi, Satte and Amar - entered in an argument with fast-food joint operator Rajat over a difference of Rs 40 in their bill following which a fight broke out between them last night, a police spokesperson said.
One of the joint's employee hit Nitin with a heavy utensil leading to blood spurting out of his head, he said.
Monu (25) and Rahul (22) were injured by the fast-food joint's employees with sharp-edged weapons, he said, adding that while Monu died on the spot, Rahul succumbed during treatment at a hospital.
Rajat and three of the fast-food joint employees have been arrested in this connection, the spokesperson said.