Yes, there is an exclusion period for each destination.
Hill Stations and Pilgrims – 1st May to 30th June and 20th Dec to 5th Jan
Deserts, Beaches, National Parks and International Destinations – 1st Dec to 20th Jan.
Also right to avail the hotel booking for all category vouchers will be restricted for 2 days prior & 2 days afterwards of National Organic and festivals. For eg.- Diwali, Dussehra, Holi, 2nd October, 15th August, 26th January etc.