Days after the incident of a drunk man urinating on his co-passenger came to light, the aviation regulator DGCA has now issued a notice to the pilot of the Air India flight. The DGCA has called the airline's conduct unprofessional. Another similar incident dating back to December 6 has also come to light. Do we need stricter norms to tackle such unruly behaviour on flights? Watch Left Right and Centre as we take on this key question.