The incident took place in Rampurkalan area yesterday when Ramdularey and his son Yogesh were returning home and Ramchandra, Nandlal, Ajaipal and three unidentified persons opened fire on them, they said.
While Ramdularey died on the spot, his son sustained injuries in his leg and was admitted to a hospital, police said.
An FIR has been registered against Ramchandra, Nandlal, Ajaipal and three others in this connection, they said.
No arrests have so far been made in this connection, police added.