The main deity Mulavar is Thirunarayanan, Utsavar is called Cheluvanarayana, Sampathkumar, Selva Pillai, Ramapriya.
Ramanujacharya sannidhi is one of the important one, all the srivaishnava's will visit Ramanuja before taking darshan of Mulava, utsavar and Yadugiri Nacchiyar.
On a hill overlooking the town is a separate Yoganarasimha temple of great antiquity.
Kulasekarar (Cheraman II) gave up his kingdom to his son during 798 AD and started visiting temples and singing praises about them.
This festival, when the "utsavar" is adorned with a diamond-encrusted tiara, takes place every year in the month of April.