Chengalrayan was born in 1938, before the independence of India. He considered himself fortunate to have a father who was a highly ethical person and a B.A. graduate of that era. His father worked first in the forest department and then in various municipalities as a manager and commissioner. He passed away at the age of 49, leaving his family to face numerous difficulties. Despite these challenging circumstances, Chengalrayan graduated and worked as a high school teacher to support his family and save money for further education. After several years, he completed his post-graduation and M.Phil. in physics and began working as a lecturer at Besant Theosophical College.

Throughout his life, Chengalrayan witnessed India's independence, experienced numerous ups and downs, observed the lives of thousands of students, endured many personal losses and triumphs, read hundreds of books, and saw the invention of transistors and the exponential growth of electronic...