New Delhi: The National Green Tribunal (NGT) yesterday questioned the Centre as to why no environmental clearance is required for erecting structures in Yamuna floodplains for Sri Sri Ravi Shankar’s Art of Living three-day ‘World Culture Festival’.

Structures being built on Yamuna floodplains for the World Culture Festival, three-day festival organised by Sri Sri Ravi Shankar’s Art of Living. File pic/AFP