IndiGo Airline OK to Board (OKTB) India Customer Support: 0124-6173838, 0124-4973838Ā Before planning your journey to Dubai, Oman, Bahrain, Qatar, Saudi Arabia, or Kuwait through Indigo Airlines, you have verify your Visa. The Airline authorities will ensure you have the ‘Ok to Board’ message in your PNR. It’s all part […]