Rashid, along with his friends, had gone to ice cream seller Islam and asked him for "a discount of two rupees" on each ice-cream, which he denied, SHO, Link road police station, Upendra Yadav said.
The matter turned serious and a heated argument broke out between Rashid and Islam, who was then badly thrashed by the accused and his friends, Mr Yadav said.
Islam was then rushed by the locals to a nearby hospital, where he died, the SHO said.
An FIR has been registered under section 304 of Indian Penal Code, he said, adding the prime accused, Rashid, has been arrested, while hunt is on for others.
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