“But you don’t require one to laugh,” chortles Kataria, founder of ‘Laughter Yoga’, a movement that has attracted fans worldwide including celebrities Oprah Winfrey and Goldie Hawn.

Kataria — who travels constantly spreading his ‘laugh with no reason’ gospel — has been hired by multinationals ranging from computer giant Hewlett-Packard to automaker Volvo to hold team-building laughter sessions.