This publication features memoirs detailing the geotechnical challenges encountered by the author in various hydroelectric and communication route projects within the tectonically active Himalayan terrain. Through engaging anecdotes, the author shares valuable lessons on addressing complex geotechnical issues and the effective treatment measures implemented. The book also explores unique post-construction problems and proposes corrective actions, offering insights that will captivate the engineering community. These memoirs serve as a practical guide for engineering geologists and geotechnical engineers, providing valuable knowledge for those facing similar challenges in their investigations. Young professionals in the field will find these experiences particularly educational and enriching.