Chief Justice of India Justice J.S. Khehar has opined that political parties should be held accountable for violation of poll promises. <br/><br/>Talking at a seminar in New Delhi today, Justice Khehar said, now-a-days manifestos have become a mere piece of paper. <br/><br/>Speaking in the presence of President Pranab Mukherjee, he said, political parties give brazen excuses like lack of consensus amongst their members to justify non-fulfillment of their poll promises.