Keezhaperumpallam is one of the nine Navagraha sthalas located in the Cauvery Delta region dedicated to shadow planet Ketu.Both the Devas and Asuras wanted to get Amirtham from the Pargadal(Milk Ocean).Thirumal as in the shape of Mohini was distributing Amirtham to the Devas. At that time Swarvabanu took divine shape sitting between the sun and moon received the Amirtham and ate it. This was informed to Mohini by the sun and moon. Mohini was keeping a long sppon in her hand and she hit the Asuras head heavily. The Asuras head and the body were separated.The head part goes to Lord kethu. The devotees may get certain defects caused by Kethu as Nagathosam, Kethu thosam Marriage thosam, children thosam, snake thosam, defects of the former birth are redressed when they pray here.He is a fearless planet doing all good for the devotees belonging to his Rasi. People pray to planet Kethu for excellence in education and family prosperity.Those facing some adverse aspects of this planet, pray first to Lord Naganatha and Kethu with red flowers, offering horsegram rice – Kollu sadham – as nivedhana and light seven deepas.Pujas are performed to planet Kethu at Rahukalas and Yemakanda Kala times.

Ketu is the Lord of Descending. In Sanskrit, Ketu (Dhuma Ketu) means comet. It is also a shadowy planet and is depicted as the tail of a demon snake. In the images he is usually shown with a poke marked body, riding upon a vulture and holding a mace. Lord Ketu is the representation of karmic collections both good and bad, spirituality and supernatural influences. The gemstone of Ketu is Cat’s Eye.

This place is 2 km south of Dharmankulam, which is on Mayiladuthurai (20 km) to Poompukar(5 km) Bus Route. It can be reached from Sirkazhi (20 km) also.