Jammu, May 15 -- Gursharan Singh, 17, of Stephen's International School, who belongs to a remote village in RS Pura sector, has topped Jammu and Kashmir UT by securing 99.4% in CBSE Class 12 exams, results of which were declared on Wednesday. Gursharan, who topped the arts stream, attributed his success to hard work, consistency and constant support from his parents and teachers....