The correct option is C Kunjaramallan Rajaraja Perunthachchan
The Rajarajeshvara temple was built by Rajaraja chola the great Chola King.
It is located in the current state of Kerala.
The architect of the Rajarajeshvara temple was however, Kunjaramallan Rajaraja Perunthachchan who has his name carved on the walls of the temple.