A mobile court of Rapid Action Battalion (Rab) yesterday sentenced three private university students to two years’ imprisonment for blackmailing a schoolgirl by capturing indecent video. The convicted, Parvez Sarkar, 20, BBA student of South East University, Mahbub Hasan Mohobbot, 20, and Udoy Sarma Utso, 20, BBA students of American International University of Bangladesh