The Tiruvekkaa or Yathothkari Perumal Temle located in Kanchipuram in the South Indian state of Tamil Nadu, is dedicated to the Hindu god Vishnu.
Constructed in the Dravidian style of architecture, the temple is glorified in theDivya Prabandha, the early medieval Tamil canon of the Azhwar saints from the 6th to 9th centuries AD.
It is one of the 108 Divyadesam dedicated to Vishnu, who is worshipped as Yathothkari Perumal and his consort Lakshmi as Komalavalli.The temple is considered one of three oldest temples in Kanchipuram.
Thiruvekka Sree Yothatthakari Perumal Temple familiarly worshipped as Sonna Vannam Seidha Perumal under Vedhasara Vimanam, is the Only Divyadesam where the almighty is Blessing in his Maaru Sayanam means sleeping in his Unusual Opposite Direction from Right to Left Resting on his Left Hand where as usually he blesses in his Sayana Posture from Left to Right Resting with his Right Hand.
The legend says that the Perumal left this place once, returned back and purposely slept in an opposite direction as a proof that He left the place once and came back.
Another belief is that when the almighty was supposed to safeguard the Ashwamedha Yagam conducted by Lord Brahmadevar ( Ref the Legend of Kanchi Varadahar), he rushed to block River Vedhagiri which was sent by Goddess Sarswathi, he is believed to slept in the opposite direction to stop River Vedhagiri.
Moolavar - Sonnavannam Seidha Perumal
Thayar - Komalavalli Thayar
Vimanam - Vedhasaara Vimanam
Kshetram - Sathyavradha Kshetram
Theertham - Poigai Pushkarini