Prof. Ramarathnam has received deep appreciation and recognition from the legends of his time for his scholarship in all aspects of music. He alo received a number of titles. He was conferred the title of
Sangeetha Kala Rathna when he presided over the 14th Musician Conference under the auspices of the Bangalore Gayana Samaja in 1983.
Karnataka Kalathilaka from Karnataka State Sangeetha Nritya Academy in 1986,
Sangeetha Rathna Mysore T. Chowdiah Centenary Memorial Awardfor his long lasting contribution to music, in 1994-95 from Vice President of India K.R. Narayanan,
Swaramuthy V.N. Rao Memorial Award from Governer of Karnataka in 2004
Sangeetha Kala Sagaram from Bhairavi Fine Arts, Cleveland OH in 2005