New Delhi, May 3 -- Situated 33 kilometers from the busy streets of Pune is Chakan, home to automobile manufacturers and their suppliers. One company in this area is electric bus maker Eka Mobility. Here, a team of young executives remains glued to their screens, looking at data relayed from hundreds of buses plying across the country.

"We can track the status and health of each of these buses. If even one stops functioning, we can immediately respond by diagnosing it quickly," one of the executives explained.

Situations range from critical breakdowns to customer complaints about range. A customer once called, complaining of a sharp drop in the range of the bus he bought. Eka Mobility's team diagnosed that the vehicle's air conditioner ...