SHILLONG: Police are clueless about the whereabouts of the school teacher Rechard Stranger Sangma from Williamnagar who was abducted by GNLA cadres recently. DGP SB Singh told reporters on Wednesday that the police have been making efforts to rescue the abducted teacher but in vain.The police chief informed that GNLA kidnapped the teacher as he was critical about the activities of the outfit since he was an advocate of peace.