Rhythm 2013-142012-13 Rhythm 2013-14, Polytechnic Annual Day Pillai HOC Polytechnic celebrated Annual Day, Rhythm 2013-14 on 17th January, 2014. Rhythm 2012-13, Polytechnic Annual Day Pillai HOC Polytechnic celebrated Annual Day, Rhythm 2013-14 on 15th February, 2013.