This is an insightful book based on the study of electromagnetic radiations. It throws light on the characteristics and nature of gamma radiations. It also highlights the various options of gamma radiation application in fields like nuclear physics, industrial procedures, environmental science, radiation biology, radiation chemistry, agriculture and forestry, sterilization and food industry. Analysis of the pros and cons of functioning of these applications has also been discussed. The book mainly targets anyone who are engaged in any field related to gamma radiations, ranging from industrial workers and biologists to dentists and engineers and even those people who have a fascination towards this subject. Moreover, this book can also be used as a guide for diverse readers who are interested in the subject.