If you already stood at the Gateway of India and walked Marine Drive on a first trip, this plan skips both. Two days for a repeat visitor to Mumbai, formerly Bombay, officially renamed by the government in November 1995, though the old name still labels the Bombay High Court and the Bombay Stock Exchange, go instead to Khotachiwadi’s wooden lanes, the working Sassoon Dock at dawn, the Kala Ghoda gallery quarter, the Fort’s other UNESCO side, and a Dadar-Mahim day most two-day first-timers never reach.

If the Gateway of India and Marine Drive are already checked off, this plan doesn’t repeat them. Three days for a repeat visitor to Mumbai, formerly Bombay, officially renamed by the government in November 1995 though the old name still labels the Bombay High Court and the Bombay Stock Exchange, builds the same two-day core a returning traveller needs, Sassoon Dock, Kala Ghoda, the Fort’s other UNESCO side and a Dadar-Mahim day, then pushes further on Day 3 into Banganga Tank, Dhobi Ghat and Chor Bazaar.

If the Gateway of India, Marine Drive and the CSMT facade are already checked off, this four-day plan for Mumbai, formerly Bombay until the government’s official rename in November 1995, skips them on purpose. It goes instead to a wooden-bungalow lane inside Girgaon, a dawn fish dock, a stepped temple tank, a market named for what it used to sell, and on Day 4, out to the northern suburbs for whichever of three things a first trip never reached: the Kanheri Caves, a Dharavi tour, or the Global Vipassana Pagoda’s pillarless dome.

Mumbai’s greatest hits, the Gateway of India, Marine Drive, CSMT’s facade, the rock-cut Shiva temples on Elephanta, belong to a first trip. This plan is for whoever already has those postcards and wants the version of the city its own residents actually use: a wooden-bungalow lane behind Girgaon’s towers, a fish dock running since 1875, a Dharavi tour worth doing honestly rather than as a curiosity, and a fifth day built entirely around food and the systems that move it, Irani cafes, the dabbawala network, Koli seafood.

Six days back in Mumbai is enough room to skip almost everything the first trip covered. Gateway of India, the CSMT facade that old guidebooks still call “Victoria Terminus” despite it being officially the Chhatrapati Shivaji Maharaj Terminus since 1996, and the Elephanta ferry are done. This plan spends five days on the wooden lanes, dawn fish docks and outer neighborhoods this site’s shorter repeat-visitor plans already map, then adds a full sixth day out of the city: Matheran, Lonavala-Khandala, or the Alibaug and Kashid beaches, all more realistic now that the Atal Setu has reshaped the coast-side drive.

Mumbai’s postcard sights, the Gateway of India, Marine Drive, CSMT’s facade, the Elephanta ferry, belong to a first visit. Seven days is enough for a repeat visitor to go the rest of the way: five days deeper into the city itself, then two full day trips a first-timer rarely has time for. Formerly Bombay until the government’s official rename in November 1995 (the Bombay High Court and the Bombay Stock Exchange still carry the old name), Mumbai rewards a longer, slower second look more than almost any Indian city its size.

Mumbai’s headline stops, Gateway of India, Marine Drive, CSMT, get their own guide. Once the two-day version is done, formerly Bombay’s second layer opens up: a heritage lane behind Girgaon’s high-rises, a fish dock that has run since 1875, Zoroastrian-run cafes closing one by one. These 9 corners are real, reachable without a tour operator, and easier to work into a normal Mumbai trip than a top-ten list suggests, provided the e-Visa is sorted and the monsoon calendar is checked before any dawn outing gets planned.