The car first hit two pedestrians, Dinesh and Mahavir, near Asian Market. Later, the driver started driving towards Sector 1 Pushp Vihar, they said.
When the accused was driving towards Khoka market in a "rash and negligent" manner, he hit a motorcycle being ridden by two brothers, the police said.
Surender (29) and his brother Narender (27), who was riding pillion, were taken to the hospital where Narender was declared brought dead, they said.