To the north of Kapaalishwarar temple near the Madhava perumal temple beyond the Sanskrit college is the mundakanni amman temple. The temple is about 1300 years old. (The original name was Mandhakini Amman which has been tamilised to Mundakanni amman)
She is supposed to be a form of Saraswathy. The Amman is a swayambhu arising from a Snake infested ant hill.the main deity resembles a lotus bud and beneath which you can see soolam engraved on it. Above this you can see a silver roof with amman's face on it
Nardhana Vinayagar, Murugar, Iyyappan, Hanuman, Raamalinga Adigal, Dhakshinamurthy along with Kasi Vishwanathar and Annapoorani have separate Sanidhis here.