MARDAN - Wife and daughter of an ex-subedar of Frontier Corps (FC) got injured in a hand-grenade attack in Maraj colony in the limits of Takhatbhai Police Station late Wednesday night. Shokat Ali resident of Maraj colony Takhatbhai told police that 4 months ago he was retired from Frontier Corps Orakzai Scouts as Subedhar. He said that on Wednesday night he along with his family members was sleeping in his house when unidentified persons hurled a hand grenade at his house.