India, Nov. 12 -- Nurseries are reporting a surge in demand for air-purifying plants as Delhi battles rising pollution. "While such plants remain a loved category throughout the year, there is still a minimum of two-three times surge in their sales during the time of peak pollution period," says Akanksha Gupta, co-founder of online nursery Urvann. Anticipating demand, the nursery has stocked up on its AirCare Plants range and larger plant bundles....