India, April 29 -- No doubt, the street lamp's glow is brighter. But these tiny lamps emit a more soothing light, casting a cool, calming glow over the faintly smoky midnight air of this central Delhi neighbourhood. These are amaltas flowers, in the first flush of their great annual blossom. Some of the flowers have already completed their life cycle and fallen on the lane, shrivelled and smashed. Among these pile of corpses, a lone flower has drifted toward the middle of the road, resembling an inverted star. It has five petals. Delhi is an arbour of very many blooming trees. There's the red of semal and gulmohar, the purplish-blue of jacaranda, the pinks of bougainvillea, the white of frangipani, the pale green of saptparni. The golden-ye...