The temple has a number of shrines, with those of Kachabeswarar and his consorts Antanatchi and Kanniyumaiyal, Thiyagarajar and that of Sundarar being offered food by Shiav being the most prominent.

There is a sixteen pillared hall in front of the main tower that has sculpted columns depicting various legends and Hindu deities.

In modern times, the temple is maintained and administered by the Hindu Religious and Charitable Endowments Department of the Government of Tamil Nadu.

As per Hindu legend, Vishnu in the form of tortoise (called Karkada) worshiped Shiva to attain divine ambrosia at this place.

With the help of sage Narada who advised them to worship Shiva, they were able to find the herbs in earth that could cure the disease.

The shrine of Irulneeki Thayar (also called Anthaga Nivarini, facing West is located in the Mahamandapam leading to the sanctum.

In modern times, the temple is maintained and administered by the Hindu Religious and Charitable Endowments Department of the Government of Tamil Nadu.

Sundarar has made a mention of the event, calling the deity as Kachabeswarar, Virundeeswarar and Iranthittai Eswarar.

The temple rituals are performed four times a day; Kalasanthi at 8:00 a.m., Uchikalam at 12:00 a.m., Sayarakshai at 6:00 p.m, and Arthajamam at 9:00 p.m.. Each ritual comprises four steps: abhisheka (sacred bath), alangaram (decoration), naivethanam (food offering) and deepa aradanai (waving of lamps) for Kachabeswarar and Anjanatchi.

The nine-day Brahmotsavam during the Tamil month of Masi and Chitra Pournami are the most important festivals of the temple.