According to Air India’s 24-hour cancellation policy, if you book a flight ticket to/from the United States directly from Air India at least 7 days before departure, you can cancel your ticket within 24 hours of booking and get a full refund. If you have booked your flight ticket through the online website of Air India, at an airport ticket office, or at a city ticket office, then you are eligible to cancel your ticket. You can make a cancellation request if you have booked your ticket 7 days prior to the scheduled departure of the flight. There is no need to pay Air India cancellation charges if you cancel your ticket within 24 hours of booking and can also get a full refund on that ticket by Air India Cancellation Policy. If you cancel your ticket after 24 hours, then you will be charged the cancellation fee that depends on the type of your ticket and route.