The 5th edition of "Challenges to Internal Security of India" by Ashok Kumar and Vipul Anekantl An is a comprehensive and insightful analysis of the various internal security challenges facing India. This edition has been thoroughly updated with the latest information and developments, including a new section on the Covid-19 pandemic and its impact on national security. The book delves into the complex issues of terrorism, insurgency, and cyber threats, providing a detailed understanding of the threats to India's internal security. With a focus on current events and recent trends, this edition offers a timely and relevant exploration of the subject. Whether you are a student, researcher, or policy maker, this book is an essential resource for anyone interested in understanding the internal security dynamics of India.