Tiruvaali- Lakshmi Narasimhar temple at Tiruvaali and Vedaraja Perumal temple at Tirunagari are 2 separate shrines but are considered as a single divyadesham.
At Tiruvaali Lord Lakshmi Narasimhar blesses His devotees in a sitting posture ,Utsavar is Tirunagaralaan and His consort is also enshrined in the same sanctum known as Poornavalli thaayar.
Thirumangai Azhwar's wife was brought up in Tiruvaali.
Thrumangai Azhwar refers to Lord at Tiruvalli as Vayalaali Manvalan. But Tiruvayalaali manvalan is enshrined at Tirunagari hence both these comprise one divyadesham.
Tirunagari - Presiding deity is Vedarajan Perumal in a sitting posture and Utsavar is Kalyana Ranganathar.
Thayar is enshrined in a separate shrine is known as Amrithavalli Thayar.
There are also shrines for Andal, Yoganarasimhar and Tirumangai Azhwar.
Tirunagari is the birth place of Tirumangai Azhwar and has a separate shrine here and is seen holding a spear. Out of the five Narasimhar idols worshipped by Tirumamgai azhwar, two are in this temple.
Legend- Once a dacoit tried to rob Perumal in Kalyana kolam. When he touched the God he got transformed as a great devotee of Lord. Since then he started praising Lord singing hymns which forms a great chunk of Naalariya Prabhandam. This story is enacted in this temple during Vedaraja festival.