Arvind Kejriwal: Fortune credits Kejriwal for his efforts to curb pollution in New Delhi through the scheme of allowing vehicles of odd and even numbers on alternate days on the city's roads. "When Kejriwal unveiled a blueprint to tackle the smog in New Delhi -- called the world's most polluted city by the World Health Organization -- many were sceptical. A key component: an 'odd-even' pilot project in which vehicles were allowed on the roads only on alternate days. "The uplifting result of the pilot this January: roads were less clogged, hourly particulate air pollution concentrations dropped by 13 per cent, and citizens could breathe deep," Fortune said.

Image Caption: Delhi Chief Minister Arvind Kejriwal speaks after unveiling the statues of martyrs Shaheed Bhagat Singh, Rajguru and Sukhdev at Vidhan Sabha on their martyrdom day in New Delhi (PTI)