Delhi has launched its first-of-its-kind river cruise service on the Yamuna, offering residents and tourists a new way to experience the national capital. Pics/PTI

Delhi recorded its most polluted Diwali in five years with average Air Quality Index at 376 and the morning after was only marginally better at 371 recorded at 10 am on Monday when a blanket of smog and fog blanketed the city. (Pics/PTI)