India, April 3 -- But I would like to emphasise one of the most overlooked aspects, a feature in which they lag behind almost all their global peers - seamless connectivity to and from the facility through public transport. The world over, metros, bus and several other forms of public mass transport are the only modes used by the ultra-rich, rich and the middle-class: How often does one see passengers jumping into a taxi in Paris or Amsterdam to reach the city centre from the airport? The convenience of the bus, the subway, trams and the metro beats the comfort of the taxi by a mile.

The advantages, including the reduction in emission footprint, need no elaboration. At Delhi's T3, to cite one instance, finding a parking slot for a cab or...