India, Nov. 5 -- Dilli is changing furiously. From a road bridge beside New Delhi railway station, you can look down and see how deep the change goes. This sunny, smoggy afternoon, the footpath along the old red-brick bridge on Central Delhi's Deshbandhu Gupta Marg gives you a clear view of the railway station's redevelopment site. The bridge is outside the station. No platform ticket needed. A fence keeps you safely apart from the messy traffic. The sight is eye-popping. An enormous pit has opened up beside the station, its walls sheer stretches of brown earth. You might be looking into a quarry. Far below, metal rods stick up from wide concrete bases. A heap of concrete blocks lies near the edge. Usually, when Delhi builds something major...