They claim it meets Bharat Stage III (and Euro IV) emissions standards, which is as good as any other car in India. That statement is in response to fears that as people move up from scooters/motorcycles to this car, the emissions problem would get worse.

The only thing that will get worse is the traffic problem. But that's everyone's "fault": no reason why the poor should sacrifice their safety (relative to carrying a family of 4+ on a scooter) to save commute time for others.