Festivals in India can be categorized as national festivals, religious festivals, or harvest festivals. National festivals include Republic Day, Independence Day, and Gandhi Jayanti which commemorate historical independence events. Religious festivals celebrate various faiths such as Diwali for Hindus, Holi for Hindus, and Raksha Bandhan for Hindus and Sikhs. Harvest festivals occur varying by region and include Bihu in Assam, Pongal in Tamil Nadu, and Baisakhi in Punjab which mark the harvesting of crops.