Soran Singh, special assistant to the chief minister of Khyber-Pakhtunkhwa on minorities affairs and a provincial assembly member, was gunned down late Friday in a targeted attack near Pir Baba in Buner district.
According to reports, unidentified gunmen opened fire on Singh while he was on way to his home.
"Soran Singh was shot in the head and eye," Pir Baba station house officer Mir Ghazab told the media.
He was shifted to a hospital, where he succumbed to his injuries.
A Sikh, Soran Singh joined cricketer turned politician Imran Khan's Pakistan Tehreek-e-Insaf party in 2011.