chennai the anna university chennai published the results of three semester results november december 2012 april may 2013 and november december 2013 the results are a compilation of all four years of all departments in each college the results were published after the supreme court on monday asked anna university to publish academic performance of the colleges affiliated to it only in november december 2012 six colleges in and around chennai are in top ten with sri sivasubramaniya nadar college of engineering kancheepuram standing first in aprilmay 2013 and november december 2013 k ramakrishnan college of engineering tiruchirappalli is on the top of the list six engineering colleges in and around chennai made the top 10 in results of the semester examinations in novemberdecember 2012 this number dropped by half to three in 2013 academicians attribute this sudden drop in performance to changes in regulations before and after the unification of anna university in 2012 anna university has ranked more than 600 colleges affiliated to it based on the results of semester exams the authorities of anna university chennai in 2008 divided the institution with coimbatore and trichy becoming separate entities a few months later officials bifurcated the trichy campus with tirunelveli becoming a new branch which they further divided into two creating a madurai campus engineering colleges in the state were at that time divided under these five branches after the split the authorities changed the semester exam rules the government changed in 2011 and the unification was implemented in 2012 during the 2012 novemberdecember semester examinations firstyear students were under anna university chennai unified and the students of second year and upwards were under the bifurcated branches said an official of an engineering college near chennai when exam rules are different for different colleges they cannot be part of a single list that ranks them bases on academic performance an academic said besides the difference in the systems they followed the performance and ranking of colleges were also skewed by student strength and varying number of years the colleges were operational