Of course, here are 50 tips and hacks for travelers going to South Korea from India after reaching the airport:

1. Airport Transfers: Book a reliable airport transfer service for a seamless journey to your accommodation.
2. Currency Exchange: Exchange currency at the airport for immediate use during your stay in South Korea.
3. SIM Card Purchase: Buy a local SIM card at the airport for instant connectivity and data access.
4. T-money Card: Purchase a T-money card at the airport for convenient use on public transportation.
5. Taxi Services: Use designated taxi services from the airport with fixed rates to major destinations.
6. Airport Lounges: Consider accessing airport lounges for comfort, refreshments, and Wi-Fi before your next flight or transportation.
7. Luggage Storage: Utilize luggage storage facilities at the airport if you have a long layover or want to explore without heavy bags.
8. Information Desks: Visit information desks for maps, brochures, and assistance in multiple languages.
9. Transportation Apps: Install local transportation apps like KakaoMap or Naver Map for real-time navigation.
10. Hotel Shuttle Services: Check if your hotel offers shuttle services from the airport for convenience.
11. Language Translation: Use language translation apps to communicate with airport staff or locals.
12. Duty-Free Shopping: Explore duty-free shops at the airport for tax-free shopping on luxury items, cosmetics, and souvenirs.
13. ATM Access: Withdraw cash from ATMs at the airport for immediate financial needs.
14. Airport Amenities: Take advantage of airport amenities like restaurants, duty-free shopping, and lounges during layovers.
15. Airport Wi-Fi: Connect to the airport's free Wi-Fi for internet access while waiting for your next flight or transportation.
16. Customs Declaration: Fill out customs declaration forms accurately to avoid delays or complications.
17. Baggage Claim: Follow signs to the baggage claim area to retrieve your checked luggage.
18. Transportation Information: Inquire about transportation options to your destination, such as airport buses, trains, or taxis.
19. Public Transit Information: Obtain information on public transit routes, schedules, and fares from the airport information desk or apps.
20. Hotel Reservations: Confirm your hotel reservations and check for any shuttle services available.
21. Travel Itinerary: Review your travel itinerary and transportation plans for a smooth transition from the airport.
22. Local Maps: Pick up local maps or download digital maps for navigation in South Korea.
23. Local Weather: Check the local weather forecast to prepare for your activities and clothing choices.
24. Emergency Contacts: Save emergency contact numbers for local services, hotels, and embassies.
25. Cultural Etiquette Reminder: Review cultural etiquette tips to ensure respectful interactions with locals.
26. Food and Dining: Explore airport dining options for a taste of Korean cuisine before departing or during layovers.
27. Airport Security: Follow airport security protocols and arrive at your departure gate on time.
28. Transportation Reservations: Make reservations for transportation services like airport limousines or private transfers.
29. Health and Safety Guidelines: Familiarize yourself with health and safety guidelines, especially during travel amid global concerns.
30. Local Events Information: Check for local events or festivals happening during your stay for cultural experiences.
31. Lost and Found: Inquire about lost and found services at the airport if needed.
32. Travel Updates: Stay updated on travel advisories, flight delays, or changes via airport announcements or apps.
33. Currency Exchange Rates: Monitor currency exchange rates for favorable conversions during your trip.
34. Local Transport Discounts: Look for discounts or tourist passes for public transportation to save on travel expenses.
35. Airport Facilities Map: Use airport facilities maps to locate amenities like restrooms, lounges, and dining areas.
36. Electronics Charging: Charge your electronic devices at designated charging stations or outlets.
37. Local Tourist Information: Visit tourist information counters for recommendations on attractions, tours, and activities.
38. Airport Assistance: Seek assistance from airport staff or volunteers for any travel-related inquiries or concerns.
39. Travel Health Precautions: Follow recommended health precautions, such as wearing masks or sanitizing hands, in crowded areas.
40. Transportation Card Load: Load sufficient funds onto your T-money card for hassle-free use on public transit.
41. Local Language Guide: Carry a pocket guide with essential Korean phrases for communication.
42. Local Culture Immersion: Immerse yourself in local culture by observing customs, traditions, and social norms.
43. Flight Information: Check flight status and gate information for smooth boarding processes.
44. Local Transportation Apps Tutorial: Familiarize yourself with local transportation apps for easy navigation.
45. Airport Accessibility: Check airport accessibility services for passengers with special needs or disabilities.
46. Travel Souvenirs: Purchase souvenirs or gifts at the airport before departure.
47. Travel Rewards Programs: Join travel rewards programs for potential benefits and discounts.
48. Airport Security Check: Prepare for airport security checks by following guidelines on liquids, electronics, and personal belongings.
49. Relaxation Areas: Find quiet and relaxing areas in the airport for rest or meditation.
50. Flight Boarding Reminder: Set reminders for flight boarding times and procedures.

These tips cover various aspects of post-arrival procedures at the airport in South Korea, ensuring a smooth transition from arrival to onward travel or accommodations.