Please take some time to read the sthala puranam of this kshetram. One great info – Lalitha Sahasranamam happened here!!
Here are the details from Smt Mahalakshmi mami about the temple.
With the blessings of His Holiness Sri Mahaperiyava, Sri Velakurichi Gurumaha Sannidhanam and with the grace of Sri Lalithambal sameda Meganathaswamy and Minnum Mehalayal sameda Sakalabhuvaneswarar Sri Mahalakshmi Charitable Trust is glad to coordinate the renovation and kumbabishekam of Thirumeyachur Laithambal temple