Airlines are liable to pay compensation of up to Rs10,000 to a passenger who is denied boarding and the carrier is not able to arrange another flight within an hour. However, for any delay beyond 24 hours, a compensation of up to `20,000 has to be paid. These are liable only in cases where the traveller is holding a valid ticket and has presented it on time, according to the Directorate General of Civil Aviation (DGCA). The aviation regulator…