IMA Trivandrum Branch is the oldest branch of IMA Kerala State and was formed before independence in the year 1933. Dr.C.O.Karunakaran was the Founder President and Dr.K.Raman Thampi Founder Secretary of Trivandrum Branch. In the beginning there was no office to function, but the meetings were held in the residence of office bearers. Dr. Ravi Varma was the second President and Dr.Kesavan Nair second Secretary. The 3rd President was a lady, Mrs. Punnen Lukose and Secretary Dr.S.Padmanabha Pillai, Dr. Jacob Thaliyath and Dr.B.M.Ambady as next president and secretary. Dr. C.O Karunakaran was again become the 5th president and Dr. P. Krishna Moorthy as secretary.