i) Birth Centenary Celebration of K S Krishnan at National Institute of Advanced Studies, Bangalore; ii) Prof. K S Krishnan's Birth Centenary celebration by the Physics Department, the American College, Madurai-2. iii) Birth centenary celebration of K S Krishnan at NIAS, IISc, Bangalore, iv) Prof. K S Krishnan Birth Centenary Conference on Condensed Matter Physics at Department of Physics, University of Allahabad, v) Birth Centenary Celebration of Prof K S Krishnan- A Symposium on Condensed Matter Physics at Indian Association for the Cultivation of Science, Jadavpur, Calcutta.