In April, residents of the National Capital Region (NCR) usually brace themselves for the onset of summer and dust storms that accompany the change of season. This year they also readied for a second round of odd-even — a regulation for rationing road space by which cars with odd and even numbers would be allowed out on alternate days in New Delhi from 15 April to 30 April.
The first time this was done was in January with the aim of curbing runaway winter air pollution. It was enforced again in April with fanfare and an expensive advertising blitz. . .