They whiz in and out of eateries and homes, picking and delivering orders. They throng outside noisy restaurant kitchens. They take high-rise elevators meant for the "service" staff, a euphemism for the menial help in India's punishing caste and class hierarchy. They take selfies with kind clients to get more ratings. They risk accidents and on-the-job injuries chasing time-bound deliveries on chaotic roads.เว็บ ออนไลน์