National Academy of Medical sciences, India.
Indian Medical Association.KL.297 LM
Cardiological Society of India. 1308
Association of Physicians of India. L 2871.
Life member of Kerala Chapter of API,K-426, and CSI,421
Fellow of the Indian Society of cardiology. L 142
Life member pediatric cardiac society of India- L 229.
Member Science education panel, Indian Academy of Sciences, Banglore, India.