This Institute is located in the campus of Arignar Anna Government Hospital of Indian Systems of medicine at Arumbakkam, Chennai, Tamil Nadu, India.
From 1999 the tribal projects functioning at Thirupathur and Kalasa were merged with Central Research Institute (Siddha) along with M.C.R.U., D.R.S.
Research includes: The institute is running a general outpatient department (OPD) on all the days of the week.
The government of India and the Dept of AYUSH are taking keen interest in promoting the health care of the old people through Indian systems of medicine.
Siddha system of medicine has a specialized branch of study called Kayakalpam (Rejuvenation therapy) for geriatric health care.