Korean Air has 22 special needs meals plus 2 or 3 choices for the standard meal and 2 or 3 for the first class passengers. That includes 6 types of vegetarian meals (one is listed under Hindu).
We prepare a selection of special meals, catering to a wide variety of tastes as well as ethnic, religious and dietary needs. Special meals will be available in the flights with meal service only. Orders for special meals should be made at the Korean Air reservation center at least 24 hours before your scheduled flight.
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Disclaimer The opinions expressed herein are my own personal opinions.