He is a known Chenda Artiste in Kathakali.
He completed PG Diploma in Kathakali Chenda from Perur Gandhi Seva Sadanam Kathakali Academy and then trained under Kalamandalam Achunni Pothuval, Sadanam Gopalakrishnan, Kalamandalam Prabhakara Pothuval, Sadanam Vasudevan and Kalamandalam Balaraman.
Since 1993 he is serving as a Chenda faculty in his alma mater.
In addition to Kathakali, Ramakrishnan is an adept performer in Thayampaka and Melam and an able accompanist for dance forms like Mohiniattam and Bharathanatyam.
He is the receipient of Kalasagar Award in 2016.