The incident took place last night at around 8.30 PM in Chaman Vihar colony, SHO Tronica city B R Zaidi said.
Four bike-borne assailants arrived at the residence of victim Rahbar and called him out. As soon as he came out, they opened fire indiscriminately. Two bullets pierced in his chest and two in stomach, he said.
Rahbar was rushed to the GTB hospital where he was pronounced brought dead, the officer said.
Prima facie, the incident seems to be a matter of old enmity, Zaidi said.
No arrest has been made so far.