Of course, here are 50 tips and hacks for travelers going to Vietnam from India after reaching the airport, along with relevant SEO keywords:

1. Exchange Currency: Keywords: Currency exchange, Dong to Rupee, airport exchange. Upon arrival, exchange your currency to Vietnamese Dong at the airport exchange counters for convenience.
2. Grab/Uber: Keywords: Ride-hailing apps, transportation apps, Grab Vietnam. Use Grab or Uber to book a ride to your accommodation, ensuring a hassle-free and reliable transfer.
3. Airport WiFi: Keywords: Free WiFi, Tan Son Nhat Airport, internet access. Connect to the airport's free WiFi to stay connected and access maps or contact your accommodation.
4. Sim Card Purchase: Keywords: Vietnam SIM card, mobile data, network providers. Buy a local SIM card at the airport for mobile data access during your stay, facilitating communication and navigation.
5. Taxi Service: Keywords: Airport taxi, taxi stand, metered fare. Opt for metered taxis from the official taxi stand outside the airport for a fair and regulated fare.
6. Luggage Storage: Keywords: Luggage storage, airport facilities, baggage lockers. If needed, utilize the airport's luggage storage facilities to lighten your load while exploring.
7. Airport Lounges: Keywords: Lounge access, VIP services, relaxation. Consider accessing airport lounges for a comfortable and relaxing experience before or between flights.
8. Airport Transfers: Keywords: Airport transfers, shuttle services, hotel pickups. Pre-book airport transfer services to ensure a smooth and timely journey to your destination.
9. Duty-Free Shopping: Keywords: Duty-free shops, souvenirs, airport shopping. Explore duty-free shops at the airport for souvenirs or last-minute shopping opportunities.
10. Local Maps: Keywords: City maps, tourist maps, navigation tools. Pick up local maps or download navigation apps to help you navigate the city efficiently.
11. Airport Restaurants: Keywords: Airport dining, food options, international cuisine. Grab a meal or snack at the airport restaurants before continuing your journey.
12. Language Translation: Keywords: Translation services, language apps, communication tools. Use translation apps to overcome language barriers and communicate effectively with locals.
13. Airport Information: Keywords: Airport facilities, information desk, assistance. Visit the airport information desk for any queries or assistance regarding your travel arrangements.
14. ATM Access: Keywords: ATM machines, cash withdrawal, currency needs. Locate ATMs at the airport to withdraw cash in Vietnamese Dong for your immediate needs.
15. Tax Refund: Keywords: Tax refund, VAT refund, duty-free purchases. If eligible, claim a tax refund for VAT on eligible purchases made at the airport.
16. Car Rentals: Keywords: Car hire, rental services, self-drive options. Rent a car from the airport if you prefer self-drive exploration during your stay.
17. Local Transport Info: Keywords: Public transport, bus routes, train schedules. Inquire about local transport options and routes available from the airport to your destination.
18. Hotel Information: Keywords: Hotel bookings, accommodation details, check-in procedures. Confirm your hotel booking details and inquire about check-in procedures if necessary.
19. Travel Insurance Claims: Keywords: Insurance coverage, claims process, emergency assistance. Familiarize yourself with the travel insurance claims process and emergency assistance contacts.
20. Airport Security: Keywords: Security checks, baggage screening, prohibited items. Adhere to airport security guidelines and ensure your baggage complies with regulations.
21. Local Tourist Information: Keywords: Tourist information, visitor centers, attractions. Visit the tourist information center for insights on local attractions, tours, and activities.
22. Transportation Apps: Keywords: Transport apps, navigation tools, Grab app. Download transportation apps like Grab for convenient and reliable rides within the city.
23. Hotel Transfers: Keywords: Hotel transfers, shuttle services, airport pickups. Arrange hotel transfers in advance for seamless transportation from the airport to your hotel.
24. Customs Declaration: Keywords: Customs procedures, declaration forms, duty-free allowances. Complete customs declaration forms accurately and declare any dutiable items as required.
25. Local SIM Activation: Keywords: SIM card activation, network setup, mobile data plans. Activate your local SIM card and set up mobile data plans for uninterrupted connectivity.
26. Airport Facilities Tour: Keywords: Airport amenities, facilities tour, convenience services. Explore the airport facilities such as lounges, rest areas, and convenience stores for your comfort.
27. Hotel Reservations: Keywords: Hotel reservations, booking confirmations, room preferences. Confirm your hotel reservations and inform them of any room preferences or special requests.
28. Transportation Information: Keywords: Transport information, route maps, travel advisories. Check transportation information boards or kiosks for route maps and travel advisories.
29. Airport Parking: Keywords: Airport parking, long-term parking, valet services. If driving, inquire about airport parking options and services available for your vehicle.
30. Emergency Contacts: Keywords: Emergency contacts, local authorities, medical assistance. Keep emergency contacts handy for local authorities, medical services, and embassy assistance.
31. Local Weather Update: Keywords: Weather forecast, climate conditions, seasonal changes. Stay updated on the local weather forecast to plan your activities accordingly.
32. Local SIM Top-up: Keywords: SIM card top-up, mobile data recharge, balance check. Top up your local SIM card with mobile data or call credit as needed during your stay.
33. Airport Information App: Keywords: Airport app, mobile app, flight updates. Download the airport's official app for real-time flight updates, terminal maps, and airport services.
34. Travel Documentation: Keywords: Travel documents, passport copies, identification. Carry copies of your travel documents, passport, and identification for verification purposes.
35. Lost and Found: Keywords: Lost property, item retrieval, airport assistance. Report any lost items or inquire about lost and found services at the airport.
36. Local Currency Exchange Rates: Keywords: Currency rates, exchange calculators, currency converters. Check the current local currency exchange rates or use currency converter apps for reference.
37. Local SIM Coverage: Keywords: Mobile network coverage, data speeds, signal strength. Verify the coverage and data speeds of your local SIM card for seamless communication.
38. Airport Amenities: Keywords: Airport services, facilities overview, convenience options. Familiarize yourself with airport amenities such as lounges, showers, and baggage services.
39. Health and Safety Guidelines: Keywords: Health advisories, safety protocols, travel precautions. Adhere to health and safety guidelines, including mask-wearing and social distancing measures.
40. Local Cuisine Recommendations: Keywords: Food recommendations, culinary experiences, dining options. Ask locals or airport staff for recommendations on authentic local cuisine and dining spots.
41. Traveler Assistance Services: Keywords: Traveler assistance, support desks, language assistance. Seek assistance from traveler support desks or language assistance services if needed.
42. Local Transportation Fares: Keywords: Transport fares, fare calculators, fare estimation. Estimate local transportation fares or use fare calculators available at the airport.
43. Airport Hotel Reservations: Keywords: Airport hotels, accommodation bookings, transit stays. Book airport hotels or transit stays for layovers or early morning flights if required.
44. Airport Lounge Membership: Keywords: Lounge membership, frequent flyer benefits, lounge access. Consider joining airport lounge membership programs for frequent flyer benefits and lounge access.
45. Local Emergency Services: Keywords: Emergency services, police assistance, medical facilities. Know the contact information for local emergency services, including police and medical facilities.
46. Airport Parking Fees: Keywords: Parking fees, hourly rates, long-term parking options. Check airport parking fees and rates for short-term and long-term parking options.
47. Local Time Zone: Keywords: Time zone difference, time conversion, local time. Adjust to the local time zone and set your devices accordingly upon arrival.
48. Airport Lounges for Layovers: Keywords: Layover lounges, transit facilities, relaxation zones. Utilize airport lounges or transit facilities for comfort during layovers or connecting flights.
49. Local Transportation Apps: Keywords: Transport apps, ride-hailing services, local transit apps. Download local transportation apps for easy access to ride-hailing services or public transit routes.
50. Travel Feedback: Keywords: Travel feedback, reviews, customer satisfaction. Share your travel experience and provide feedback to improve services for future travelers.

These tips cover various aspects to help Indian travelers navigate the airport and start their journey smoothly in Vietnam, from transportation options to local services and amenities.