The author is retired senior professor from IIT Madras. During his long tenure of 40 years in the institution, he was involved in teaching, research, publication of technical papers, organizing short term courses, conferences, seminars and workshops, bringing out monograms. He has to his credit more than 100 technical consultancy works. He has successfully executed 25 projects for defense, Navy, Atomic energy, DST, HRD, ARDB, ISRO and industries. He was also in the editorial board of a few national and international journals and reviewer of technical papers for many journals. His extracurricular activities include gardening, carpentry, art, music-Tabla and harmonium, and cooking. He has interacted with several NGOs and involved in their activities and has lent financial support. He spends most of the time in writing books and dissemination of knowledge.