N. Radhakrishnan is the youngest of four children of Alamelu Ammal and Poonithura Valiya Parambu Meethil house G. Narayanaswamy, a renowned musician fondly called as Achasamy by the people in music field in the region.
[1] Then he passed Gana Praveena from Swathi Thirunal College of Music in Thiruvananthapuram and later a master's degree in Mridangam from Mahatma Gandhi University.
[5] Radhakrishnan was one of those who sought to give due recognition to the Ghatam which was known only as a supporting instrument in Indian classical music.
[7] Radhakrishnan has played the Ghatam in concerts by famous musicians like Chembai Vaidyanatha Bhagavatar, M. D. Ramanathan, Maharajapuram Santhanam, Madurai Somasundaram, Dr. M. L. Vasanthakumari, K. V. Narayanaswamy and Dr. M.
[3] In instrumental music, he has performed with noted artists like Lalgudi Jayaraman, T. N. Krishnan, Kadri Gopalnath, U. Srinivas, L. Subramaniam, N. Ravikiran and Shashank.