[1] His albums have been collaborations with leading Indian singers such as K. J. Yesudas, P. Leela, P. Susheela, S. Janaki, P. Jayachandran, K. S. Chithra, Hariharan, Manjari, Unni Menon, among others.
[2] Radhakrishnan was born on 5 November 1957 in Ernakulam, as the son of Sankaranarayana Iyer and Subbulakshmi Ammal.
[1] He composed his first album "Harisree Prasadam" with ten songs in 1980 collaborating with Malayalam lyricist R. K. Damodaran and singers P Jayachandran, Kanhagad Ramachandran, Kavalam Sreekumar, Junior Mehaboob and Usha Manoharan.
He is also a devotee of Sathya Sai Baba, and regularly visits Puttaparthi since the start of his career.
On 11 May 2006 he was conferred the title "Bhakthiganopasakasri" for 25 years of composing devotional music by the Ernakulam Grama Jana Samooham[6] and accepted the award from Dr. K J Yesudas.