Sardar Sooran Singh, the Special Assistant to Chief Minister Khyber Pakhtunkhwa on Minority Affairs, was assassinated in Pir Baba area of Buner district in the province when he was going back to his home after a routine walk, police said.
He was immediately taken to a nearby hospital where he was declared dead. Police said that Singh had no guard at the time of attack.
Initial postmortem report stated that he received only one bullet in his head.
Nobody has claimed responsibility for the killing.
Governor KP Iqbal Zafar Jhagra, Special Assistant to KP Mushtaq Ghani and Provincial Ministers Shahram Tarakai have condemned the killing of Singh.
They vowed to bring to justice all those responsible for the killing.
Singh was a doctor, TV anchor and politician.
Before joining Pakistan Tehreek-e-Insaf in 2011, Singh was a member of Jamaat-e-Islami Pakistan for nine years.
He was also member of Tehsil council, Pakistan Sikh Gurdwara Prabandhak Committee and Evacuee Trust Property Board.
Singh also hosted programme 'Za Hum Pakistani Yam' for three and a half years with Khyber News.