The Kottai Mariamman Festival is a vibrant celebration held annually in Tamil Nadu, India, dedicated to the goddess Mariamman, who is revered for her powers to protect against diseases and bring prosperity. The festival typically lasts for about 10 days and features various rituals, including prayers, processions, and cultural performances that attract thousands of devotees. During the festival, the main event is the grand procession where the idol of Kottai Mariamman is carried through the streets, accompanied by music, dance, and traditional offerings. The festival fosters a sense of community and devotion, showcasing the rich cultural heritage of the region while honoring the goddess's significance in local beliefs.