Life as a self-employed cabbie in India's busiest city

"If there's no internet today, everything would be finished," says Kuldeep Singh Barswal, a driver who makes a living working for a mobile app taxi hailing service.

Mr Barswal used to be a salaried driver for a corporate boss, but illness forced him out of that job. Friends suggested the Ola app, India's competitor to the better known Uber.