Selva Sannithy Murugan Temple is one of the Hindu temples and situated in Thondaimanaru. The prime deity is Lord Murugan. This temple is considered as Sella Kadirkamam of North. This temple is situated very closed the Thondamanaru lagoon. The Lord Murugan`s vel was placed in the Moolasthanam or sanctum sanctorum. The Annual High festivals are celebrated for fifteen days terminate on the full moon day of the Hindu month of August. Poojas are being conducted based on the non - agamic system. There are a lot of Matams (Places) where many helpless elders are living. Foods are being provided for them. This temple is called as “Annathana kanthan”, because of charity works. This temple is most popular for its simplicity and pureness.