It is famous for its annual festival of transgender and transvestite individuals, which takes fifteen days in the Tamil month of Chitrai (April/May).The festival takes place at the Koothandavar Temple dedicated to Aravan (Koothandavar). The participants marry the Lord Koothandavar, thus reenacting an ancient myth of Lord Vishnu/Krishna who married him after taking a form of a woman called Mohini. The next day, they mourn the god Koothandavar's death through ritualistic dances and cuts thalli..