 Chidambaram is a Fellow of all the science Academies in India and the Third World Academy of Science (TWAS), Trieste (Italy).He has also served as a member, chairman and president of a number of organizations which, among others, include IIT-Madras, IIT-Bombay, the Materials Research Society of India, the Council of Scientific and Industrial Research (CSIR), and the International Union of Crystallography.In early 2008, the IAEA invited Chidambaram to be a member of the "Commission of Eminent Persons", for making recommendations to the Board of Governors, regarding long-term priorities and funding.