Bhopal, May 06 (ANI): Members of various laughter clubs enthusiastically participated in a rally to mark the occasion of World Laughter Day today in Bhopal. In a bid to mark the memorable day, the laughter clubs spread the message of communal harmony and fraternity. Around 28 laughter clubs organised the rally to mark the occasion of the World Laughter Day . World Laughter Day falls on the first Sunday of May every year. This day conveys that laughter is the best medicine to ward off dangers of modern day s monotonous and mechanised lifestyles.