Jammu, Mar 21: Jammu Police has cracked the rape case of a mentally-challenged girl in 24 hrs and arrested the accused. ”One person had lodged a written report at Akhnoor police station that on March 18, his daughter who is mentally disturbed had gone outside along with minor brother,” police said here on Wednesday. They said that the accused, identified as Shallu, resident of Badgal, Tehsil Akhnoor, wrongfully restrained them and later raped with the girl. A case was registered and investigation started, police said. Police team swung into action and conducted raids at suspected places.