Mumbai General Post Office

Walk a few minutes east from Chhatrapati Shivaji Maharaj Terminus along Walchand Hirachand Marg, and a great grey-gold dome rises above the street like a misplaced Deccan tomb.

• This is Mumbai's General Post Office, known to everyone simply as the GPO — a working civic building rather than a ticketed monument, and all the better for it.
• Clerks, courier boys, exporters and pensioners climb its steps every morning; travellers come for the architecture and usually stay longer than they planned, pulled in by the cool, echoing volume under the dome and by the unhurried ordinariness of people posting parcels inside a masterpiece.
• The building went up between roughly 1904 and 1913 to designs by John Begg, then consulting architect to the Bombay government, and it remains one of the most complete statements of the Indo-Saracenic manner in the city: dark basalt and warm yellow stone, deep arcaded verandahs, chhatris, jaali-screened openings, and a broad central dome widely said to take its cue from the Gol Gumbaz at Bijapur (Vijayapura).
• Where the neighbouring terminus is Gothic and vertical, the GPO is horizontal, domed and deliberately Indian in vocabulary — the same administration, a very different architectural argument.
• Watch how the mass steps back in stages before the dome lifts clear; the best view is from the far pavement or from the road approach, where the whole silhouette reads at once.
• Inside, the drama is the rotunda: an octagonal hall ringed by galleries, with counter and sorting work continuing underneath as it has for over a century.
• Sunlight drops from high windows onto stone floors, mail trolleys and rows of wooden counters, and a philatelic counter sells commemorative stamps and first-day covers, which make a far better souvenir than anything on the tourist stalls.
• Treat it as an office, not an attraction — stay in the public areas, expect a bag or security check at the door, and ask before photographing staff or counters, since interior photography is at the postmaster's discretion.
• Half an hour is usually enough, and a weekday morning gives you both the busiest hall and the best light.
• Fort and Churchgate are strong ground for vegetarian eaters, but Mumbai is also a city where seafood and non-vegetarian cooking are everywhere, so read the board before you sit down: look for a "pure veg" or shuddh shakahari sign at the entrance, and simply ask if there isn't one.
• Within a ten- to fifteen-minute walk you'll find unlimited Gujarati and Rajasthani thali houses, South Indian idli-dosa counters and old-style Udupi cafés doing filter coffee and vada.
• Kalbadevi and Bhuleshwar, a short taxi ride north, are denser still for Jain-friendly and no-onion-no-garlic cooking — worth asking for by name, since many kitchens will prepare it on request rather than by default.