Welcome to India

Learning how to survive on an increasingly crowded planet is probably our ultimate challenge. But there is one place, home to over a sixth of the world's population, which is already making a good shot at adapting: welcome to India. This observational series casts aside the usual preconceptions about the sub-continent, and lets a few of India's 1.2 billion show how their world really works. With astonishing access into the densest districts of Kolkata and Mumbai, it celebrates the impressive re…