Una-based teacher involved in leaking Class 12 economics and Class 10 mathematics papers, because dream of becoming the principal of the school. his relative had promised him if he helped her get the papers. Class 10 mathematics question paper was leaked by Rakesh Kumar economics teacher in Himachal Pradesh. Rakesh Kumar was found to be also involved with the mathematics paper leak. 40-year-old woman, a librarian at a college in Ferozepur help Rakesh Kumar of getting the principals post if he helped her in getting the economics and mathematics papers.