He obtained a first class degree from Government Victoria College, Palakkad, and then spent three years lecturing in chemistry at St. Mary's College, Thrissur, before joining the India Coffee Board at their Central Coffee Research Institute as an advisor.
Vaidyanathan was born to V.Lakshminarayana, and Seethalakshmi, both accomplished musicians; he was also the elder brother of accomplished violinist duo L. Shankar and L. Subramaniam.
'Sangeet Natak Academy' award (PURASKAR) given by Srimathi Pratibha Patil, President of India at a special ceremony at the Rastrapathi Bhawan with a citation and pursue money on 2008 for my contribution in the field of Carnatic Instrumental music Nagaswaram.