This temple is in a small town called Annan Koil or Thiru Vellakulam.It's about 7 miles (10 kms) away from Seerkazhi. It is one among the eleven divyadesams of Thirunangur Tirupathis.
This kshetram is also known as Then Tirupathi ( Tirupathi of South). It is said that those who can not visit Tirupathi-Tirumala , those devotees can do all the offering to Srinivasa Perumal of Thiru Vellakulam to get the blessings of Lord Venkateswara.
As per legend a king named Swethan, the son of Thundu maran of the Surya dyansty, was afraid of death.He sought the help of a sage called Vashistar maharishi. He instructed Swethan to chant the Mrithyunjaya Manthiram by sitting under the Vilvam tree on the south bank of the pushkarani. Lord Narayanan appeared before the king and blessed him with a long life like Markandeyan.
During the Tamil month of Purattasi ( Sept-Oct), Brahmotsavam is celeberated here in a grand scale as in Tirumala. Garuda sevai on the fifth day and Ther (temple cart) festival on the tenth day is very popular here.
The Thirumangai Azhwar Mangalasasana Utsavam celebrated annually during the day next of Thai Amavasai (New moon day in mid January) is the major festival called Garuda seva during which the utsavars (festival images) of the eleven Thirunangur Tirupathis are brought on mount designed like Garuda, called Garuda Vahana, and all the eleven utsavars culminate at Thiru manimadakoil.
Moolavar of this sthalam is Sri Srinivasa perumal, also known as Kannan,Narayanan, Annan Perumal (elder brother to Tirupathi Venkatachalapathy) in Nindra Thirukkolam (Standing posture) facing east.
Prathyaksham for Rudran,Swetha Rajan.
Thayaar in this sthalam is Alarmelmangai.
Pushkarani(holy tank) Thiruvellakulam,Swetha pushkarni.
Mangalasasanams The temple is revered by the verses of Tirumangai azhwar
Temple Timings It is normally open from 7 am – 12 non and 4pm-8 pm.
It is situated around 10 kms from Sirkazhi. There are buses from Mayavaram/ Sirkazhi that goes past Thiru Vellakullam. Direct special buses are available only on special occassions.If you drive your car it is 20 kms from Mayavaram and 10 kms from Sirkazhi.