South Indian festivals are vibrant celebrations that reflect the rich cultural heritage of the region. Major festivals include Pongal, a harvest festival celebrated in January, and Diwali, the festival of lights, which usually falls in October or November. These festivals often involve traditional rituals, delicious food, and colorful decorations, bringing families and communities together. Another significant festival is Onam, celebrated in Kerala to mark the homecoming of the mythical King Mahabali. It features a grand feast called Onam Sadhya and various cultural events like boat races and flower arrangements. Each festival showcases unique customs and traditions, highlighting the diversity of South Indian culture.