This introduction presents an overview of the key concepts discussed in the subsequent chapters of the book. The book deals with conventional warfare, and focuses on India, Pakistan, and China, for the simple fact that India and Pakistan have fought several wars and China and India have fought one border war. It also focuses on the autobiographies and memoirs of the Indian and Pakistani generals, politicians, and statesmen. The book discusses the archival materials at National Archives of India, New Delhi, and materials at British Library, London. It aims to pay attention to the Pakistani and Chinese armed forces and their battlefield deployments and to Islamabad’s and Beijing’s grand strategies. The book provides a historical approach to trace the evolution of Indian and Pakistani militaries from the Partition of British-India and the rise of China in the late 1940s till the end of twentieth century.