Arrive at Tan Son Nhat Airport, clear immigration and transfer to your District 1 hotel; rest and freshen up after the flight and inform reception of your strict dietary requirements (pure Indian vegetarian, no fish sauce, no eggs).
Visit the War Remnants Museum for context on modern Vietnamese history; it is poignant and informative — open roughly 07:30–17:00 but check seasonal times before you go.
Explore Ben Thanh Market and the adjoining night market for atmosphere and souvenir shopping — day market closes around 18:00 and the night stalls run roughly 18:00–22:00; avoid stalls using fish sauce and buy vegetables or packaged snacks you can verify.
Eat at a fully vegetarian Indian restaurant in District 1; order dal, vegetable curry and basmati rice and explicitly reconfirm no fish sauce and no eggs. Many such restaurants are open 11:00–22:00.
Have a cooked vegetarian breakfast at your hotel or an Indian café (poha, upma, paratha prepared without egg); confirm no egg or fish sauce in any condiments.
Join an organised morning tour to the Cu Chi Tunnels to learn about the underground network; tours typically run 07:00–17:00 and last ~5–6 hours including return transfers — notify the operator ahead to provide a vegetarian lunch without fish sauce and no eggs.
Return to the city and choose a guaranteed pure-veg Indian restaurant or hotel buffet; order vegetable biryani, chana masala and a salad and confirm no fish sauce or eggs are used.
Short photo stops at the restored Notre-Dame Cathedral Basilica and the nearby French colonial Central Post Office — both are in District 1 and open to stroll around until late afternoon.
Dinner at a pure-veg Indian restaurant; choose safe staples like dal, mixed vegetable curry and plain rice, and reconfirm the kitchen will not use fish sauce or egg in any dish.
Join an organised Mekong Delta tour departing early (typically 07:00–08:00) for boat rides, fruit orchards and village visits; request a strictly Indian vegetarian menu (no fish sauce, no eggs) when booking so hosts can prepare accordingly.
Enjoy a riverside vegetarian lunch (rice, vegetables, tofu, fruit); insist each dish contains no fish sauce and no eggs — well-run operators can accommodate with prior notice.
Explore canal-side villages and check in to your homestay or guesthouse for the night; homestays are often flexible and can cook Indian-style vegetarian meals if informed in advance.
Transfer back to Ho Chi Minh City from the Mekong Delta; travel times vary so aim to arrive mid-day for your domestic flight. Allow recommended time for domestic check-in (1.5–2 hours before departure).
Walk the atmospheric Hoi An Ancient Town when the lanterns are lit and the night market opens (typically 18:30–22:00); it's an unmissable experience and great for photos.
Dine at a dedicated vegetarian or Indian restaurant in Hoi An; order dal, vegetable biryani and chapati, and explicitly confirm no fish sauce or eggs are used in any dish.
Start with a vegetarian breakfast at your hotel or nearby Indian-friendly cafe (many open 07:00–10:00); check breads and pancakes for egg and request alternatives if needed.
Join a Hoi An cooking school that will run a strict vegetarian class on request — these classes teach local vegetable-based dishes and typically run 3–4 hours (09:00–13:00 or 14:00–18:00 options).
Visit the 16th–17th century Japanese Covered Bridge and nearby merchant houses to see Hoi An's heritage architecture; most sites are open around 08:00–17:30.
For dinner pick a fully vegetarian restaurant or Indian spot that guarantees no fish sauce and no eggs — try dal makhani, vegetable korma and whole-wheat chapatis for satisfying choices.
Have an early vegetarian breakfast at your hotel and reconfirm dietary preferences for any packed lunches; hotels can usually prepare a vegetarian picnic if requested.
Visit the UNESCO-listed My Son Cham temples with a guide (site open roughly 07:30–17:30); tours typically take 3–4 hours including travel time — bring water, sun protection and a hat.
Enjoy a relaxed vegetarian lunch at a beach-side cafe in An Bang; request no fish sauce and no eggs and choose vegetable noodle bowls, tofu salads or rice plates which are widely available 11:00–15:00.
Take a short lantern boat on the Thu Bon River around sunset to see Hoi An lit by floating lanterns; small boat trips typically operate 17:30–20:30 and are peaceful and scenic.
Finish with your favourite vegetarian Indian or local vegetarian restaurant and sample regional specialities — confirm all dishes contain no fish sauce and no eggs.
Early vegetarian breakfast at the hotel; request cooked options without egg and confirm your airport transfer pick-up time to ensure a smooth departure.
Private transfer to Da Nang Airport (allow 1–1.5 hours); if you have an international connection via Ho Chi Minh City, ensure you have 2–3 hours for domestic arrival and international check-in.
Take your domestic flight to Ho Chi Minh City to connect with your international flight home; domestic segments take about 1h20 — schedule an early flight to avoid tight connections.
Depart Tan Son Nhat Airport for Bengaluru. If you have spare time at the airport, choose a vegetarian meal at the terminal and reconfirm it contains no fish sauce or eggs.