The temple priests perform the pooja (rituals) as per Vadakalai sampradayam during festivals and on a daily basis (Vaikashasana Agama).
As at other Vishnu temples of Tamil Nadu, the priests belong to the Vaishnavaite community, a Brahmin sub-caste.
The temple rituals are performed six times a day: Ushatkalam at 7 a.m., Kalashanti at 8:00 a.m., Uchikalam at 12:00 p.m., Sayarakshai at 6:00 p.m., Irandamkalam at 7:00 p.m. and Ardha Jamam at 10:00 p.m. Each ritual has three steps: alankaram (decoration), naivedyam (food offering) and deepa aradhanai (waving of lamps) for both Neelamegha Perumal and Tirukannapura Nayagi.
During the last step of worship, nagaswaram (pipe instrument) and tavil (percussion instrument) are played, religious instructions in the Vedas (sacred text) are recited by priests, and worshippers prostrate themselves in front of the temple mast.
There are weekly, monthly and fortnightly rituals performed in the temple.

The major festival, the twelve-day Brahmotsavam is celebrated during the Tamil month of Chittirai (April - May).
Rathotsavam, the temple car is drawn during the ninth day of the festival.
Masi Mahotsavam is another ten-day festival during the Tamil month of Masi (February - March).
During the festival, the festival image is taken in procession to the seashore in Cuddalore.
There are religious discourses, musical performances and floats organized during the festival.
The other Vaishnavite festivals like Krishna Janmashtami, Karthigai, Tamil New Year, Margazhi ten-day festival, Sankaranthi, Panguni Uthiram and Rohini Utsavam are celebrated.
The temple is a renowned pilgrim centre and devotees tonsure their heads during auspicious occasions.
Marriages are also performed in the premises.
The temple priests perform the pooja (rituals) as per Vadakalai sampradayam during festivals and on a daily basis (Vaikashasana Agama). As at other Vishnu temples of Tamil Nadu, the priests belong to the Vaishnavaite community, a Brahmin sub-caste. The temple rituals are performed six times a day: Ushatkalam at 7 a.m., Kalashanti at 8:00 a.m., Uchikalam at 12:00 p.m., Sayarakshai at 6:00 p.m., Irandamkalam at 7:00 p.m. and Ardha Jamam at 10:00 p.m. Each ritual has three steps: alankaram (decoration), naivedyam (food offering) and deepa aradhanai (waving of lamps) for both Neelamegha Perumal and Tirukannapura Nayagi. During the last step of worship, nagaswaram (pipe instrument) and tavil (percussion instrument) are played, religious instructions in the Vedas (sacred text) are recited by priests, and worshippers prostrate themselves in front of the temple mast. There are weekly, monthly and fortnightly rituals performed in the temple.
The major festival, the twelve-day Brahmotsavam is celebrated during the Tamil month of Chittirai (April - May). Rathotsavam, the temple car is drawn during the ninth day of the festival. Masi Mahotsavam is another ten-day festival during the Tamil month of Masi (February - March). During the festival, the festival image is taken in procession to the seashore in Cuddalore. There are religious discourses, musical performances and floats organized during the festival. The other Vaishnavite festivals like Krishna Janmashtami, Karthigai, Tamil New Year, Margazhi ten-day festival, Sankaranthi, Panguni Uthiram and Rohini Utsavam are celebrated. The temple is a renowned pilgrim centre and devotees tonsure their heads during auspicious occasions. Marriages are also performed in the premises.
Devanathaswamy temple