Indian Airlines (IA) has announced a revised apex fare scheme with effect from November 1 to March 31 thereby extending the early bird scheme to the peak season. Under the new scheme covering 53 destinations, the advance booking period has been reduced from 21 days to 15 days. Cancellation and refund rules have also been relaxed and the passengers can now change their reservation plans or get refund at least 15 days prior to the date of travel after paying a minimal charge of Rs 100 per ticket.