India, July 14 -- A city never leaves its place on the map, yet time alters its character. It remains the same city, though never quite the same. This is also true of its landmarks. Take the Sufi shrine of Laddu Shah Baba. It was always suffused with quietude, but its silence now feels different. The shrine stands discreetly on a corner of GB Road, almost unnoticed by most passers-by. The locality itself is well-known, long known as Delhi's red light district. This rainy afternoon, the road outside the small shrine is messy with keechar (slush), and is stinking of urine. Traffic is just managing to crawls through. Across the road, a few women are sitting in the shaded corridors outside their establishments, waiting as they always have. Mean...