Is OK to board required for Indigo for Dubai?

Related questions

1. Is OK to board required for resident visa?
2. What is the difference between flydubai and Emirates?
3. How do I know if I have ECR or ECNR?
4. Are you eligible for non ECR category?
5. Do we need OK to board for Indigo?
6. Where are Israelis not allowed?
7. Why is OK to board needed?
8. Does UAE require OK to board?
9. Is OK to board required for Sri Lankan Airways?
10. What does OK to board no means?

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16. #below