Shiva is the main deity in the form of a huge 2.9 ft high Shivlinga , which is the largest monolithic sculpture in India.
The lower sanctorum has four walls , where sculptures of various Hindu traditions like Shaktism and Vaishnavism are made. These sculptures and deities are as follows:
(i).East– Lingodbhava , the iconic presentation of Shiva, in standing form emerging from a Shivling and two Dwarpalas (door guards).
(ii).South– Bhikshatana (Shiva as supreme beggar), Virbhadra, Dakshinamurthi, Kalantaka ,Natrajar and two Dwarpalas.
(iii).West– Half Shiva – half Vishnu called Harihara , Lingodbhava, Chandrashekhara without prabhavali, Chandrashekhara with prabhavali, plus two dvarapalas.
(iv).North- Ardhanarishwar , Gangadhara without Parvati, Pashupata-murti, Shiva-alingana-murti, plus two dvarapalas.
On the second floor there is a sculpture of Tripurantakar form of Shiva.
Above it there is 13 storey tall tower called Shri Vimana, which has a 80 ton block of granite stone on top of it.
The temple walls have numerous inscriptions on it , which mostly describes the gifts and donations by the kings to the temple priests , or to the residents of the city.
There are 64 inscription of Raja Raja Chola, 29 of Rajendra Chola 1 , and other inscriptions of the Pandyan and Nayak rulers.