Om Suriyadev Siddha Vaidhya Salai is registered under health/medical service department of industries and commerce of Tamil Nadu government.

Om Suriyadev Siddha Vaidhya Salai is ISO 9001:2008 certified health center.

Dr. S.Nageswara Rao the proprietor ofOm Suriyadev Siddha Vaidhya Salai is an expert alchemist, whostudied under thiru Dr.V.Devarajan an excellent guru, whose family practiced traditional siddha practice for more than ten generations. Dr.S.Nageswara Rao studied under thiru Dr. V.Devarajan for about 12 years and has been practicing medicine for more than 25 years.

He is a registered RAMP recognized by Tamil Nadu Board of Indian medicine madras.

On November 2013, he has acquired the qualifying requirements for doctor of philosophy (siddha), a PhD specializing on HIV.

He had obtained a diploma in naturopathy & yogic science in 1999 and also obtained a certificate from Madurai Kamaraj University on herbal medicine. In the year 2003, he had obtained a degree on Doctor of Medicine (MDAcu) in acupuncture. He has done a 3 year master diploma on Siddha Medicine and Science (MDSMS) in Bharat SevakSamaj which is a national development agency, promoted by the government of India.