Chemistry board exam paper leak: Karnataka to hold re-exam next month, 40 suspended Posted on April 1, 2016 by Deep Miffed with Karnataka board’s inability in keeping a check on paper leak, students staged a protest after the chemistry paper of class 12 was leaked twice within a span of 10 days. According to the police, a section of the Read More Chemistry board exam paper leak: Karnataka to hold re-exam next month, 40 suspended