Certainly, here are 50 tips and hacks for travelers going from India to Vietnam, along with relevant keywords for SEO:

1. Research Visa Requirements: Indian travelers to Vietnam need to apply for a visa in advance. Ensure you understand the process and requirements.
2. Pack Light: Carry essentials like sunscreen, mosquito repellent, and lightweight clothing suitable for Vietnam's tropical climate.
3. Currency Exchange: Convert Indian Rupees to Vietnamese Dong at authorized exchange centers or banks.
4. Learn Basic Vietnamese Phrases: Keywords: Vietnamese phrases, travel language, communication tips.
5. Health Precautions: Get vaccinated for common diseases like typhoid and hepatitis before traveling.
6. Travel Insurance: Purchase travel insurance that covers medical emergencies and trip cancellations.
7. Weather Check: Keywords: Vietnam weather, monsoon season, climate conditions.
8. Cultural Sensitivity: Respect local customs, traditions, and dress modestly, especially in religious sites.
9. Stay Hydrated: Carry a reusable water bottle and drink plenty of water to stay hydrated in the heat.
10. Local Cuisine: Try Vietnamese street food but ensure it's from clean and reputable vendors.
11. Download Maps: Keywords: Offline maps, navigation apps, Google Maps.
12. Transport Options: Research and book intercity transport like trains or buses in advance for convenience.
13. Safety Tips: Keywords: Travel safety, common scams, emergency numbers.
14. Electricity Adapters: Carry universal adapters to charge your electronic devices.
15. Stay Connected: Purchase a local SIM card for data and communication during your stay.
16. Budget Planning: Keywords: Travel expenses, cost of living, budget tips.
17. Explore Local Markets: Visit markets like Ben Thanh Market in Ho Chi Minh City for unique shopping experiences.
18. Cultural Etiquette: Keywords: Vietnamese etiquette, gestures, social norms.
19. Medical Kit: Pack a basic medical kit with essentials like band-aids, pain relievers, and antiseptic wipes.
20. Traffic Awareness: Be cautious while crossing roads as traffic can be chaotic, especially in major cities.
21. Sightseeing Passes: Keywords: Tourist passes, attraction tickets, discounted tours.
22. Stay Informed: Keep updated with local news and advisories for any travel alerts.
23. Accommodation Options: Keywords: Hotels in Vietnam, hostels, homestays.
24. Pack a Raincoat: Vietnam can experience sudden rain showers, so it's wise to carry a lightweight raincoat.
25. ATM Access: Find out about ATM locations that accept international cards for cash withdrawals.
26. Local Transportation Tips: Keywords: Taxi services, Grab (ride-hailing app), public transport.
27. Photography Permits: Some attractions may require permits for photography, so check beforehand.
28. Respect for Buddhism: Keywords: Buddhist temples, dress code, respectful behavior.
29. WiFi Availability: Many hotels, cafes, and restaurants offer free WiFi for tourists.
30. Emergency Contacts: Save important numbers like embassy contacts and local emergency services.
31. Shopping Tips: Bargain politely when shopping in markets to get a reasonable price.
32. Beach Essentials: If visiting coastal areas, pack swimwear, sunscreen, and a beach towel.
33. Understanding Tipping: Tipping is not mandatory but appreciated for good service in restaurants and hotels.
34. Local SIM Activation: Follow the instructions provided by the SIM card provider for activation and top-ups.
35. Public Restrooms: Carry tissues or wet wipes as public restrooms may not always provide them.
36. Time Zone Difference: Vietnam is ahead of India by 1.5 hours, so adjust your schedule accordingly.
37. Travel Document Copies: Keep photocopies of your passport and visa in a separate place from the originals.
38. Local Events: Check for any festivals or events happening during your visit for cultural experiences.
39. Sun Protection: Wear hats, sunglasses, and sunscreen to protect yourself from the sun's harsh rays.
40. Local SIM Registration: Some SIM cards require registration; follow the process as instructed.
41. Haggle Wisely: Keywords: Negotiation tips, haggling etiquette, fair prices.
42. ATM Fees: Be aware of any additional charges or fees when using international cards at ATMs.
43. Food Allergies: Communicate any food allergies or dietary restrictions clearly at restaurants.
44. Pack Layers: Evenings can be cooler, especially in northern Vietnam, so pack layers accordingly.
45. Travel Apps: Keywords: Travel apps, useful apps, language translation.
46. Explore Street Food: Venture into local markets for authentic Vietnamese street food experiences.
47. Local Customs: Keywords: Cultural norms, greetings, traditional practices.
48. Plan for Language Barriers: Carry a phrasebook or use translation apps to overcome language barriers.
49. Responsible Tourism: Keywords: Eco-friendly travel, sustainable practices, responsible tourism.
50. Enjoy Your Journey: Keywords: Travel experiences, memorable moments, Vietnam travel tips.

These tips cover a wide range of aspects to help Indian travelers prepare thoroughly for their trip to Vietnam, from practical considerations to cultural nuances and safety measures.