three tiered rajagopuram (main towers) with seven kalasas. The temple houses four Divya Desams on its own – they are Tirukkaravanam, Tirukarakam, Tiruürakam, and Tiruneerakam. It is believed that all the shrines were probably separate temples, but the circumstances which lead do these temples getting housed in the Ulagalantha Perumal temple is not known. Thirumangai Alvar has sung praises of all the four temples in a single verse. The temple tank, Naga Tirtham, is located outside the main temple complex. The temple is revered by the verses of Tirumangai Alvar and Thirumaḻisai Alvar. Thaayar of the temple is Amuthavalli (Amirthavalli) and the festival deity of the temple is Loganathan. The image of Ulagalantha Perumal is over in height depicted with his left leg at a right angle to the body and parallel to the ground. The right leg is seen placed on the head of Mahabali with two fingers on his left hand stretched out referring to the two steps he took to measure the two worlds and the stretched finger on his right hand indicating the question the posted to Mahabali as to where he could place his third step. The roof of the sanctum, the vimana has an elevated roof to accommodate the huge image of the presiding deity. Tiruürakam The central shrine of temple is most commonly referred as Peragam, while the smaller shrine where the image of the snake god Adishesha is houses is called Tiruürakam. As per tradition, Mahabali at the foot of Vamana, could not view the deity's vishvarupam, and requested him to manifest as a smaller form. Vishnu obliged, and appeared as a snake in a smaller shrine. The shrine is frequented by childless couple praying for offspring. Tirukkarakam The shrine is located on the third precinct of the temple. As per Hindu legend, sage Garga performed his penance at this temple and obtained knowledge. The place thus derived its name Garagaham, which later became Karakam. The presiding deity of the shrine is Karunakara Perumal facing north and seated on Adishesha and his consort Padmamani Nachiyar. The temple tank associated with it is called Agraya Tirtham, and the vimana is called Vamana Vimanam or Ramaya Vimanam. Tirukkaravanam The shrine is located in the second precinct. The presiding deity is called Kalvar and faces north, while his consort is Kamalvalli Thayar. Gauri Tatakam and Taratara Tatakam are the temple tanks associated with the temple