In an era where terrorism has evolved beyond borders and beyond recognition, Terrorism at the Gates delivers a timely, in-depth examination of India's enduring battle against state-sponsored proxy threats and modern hybrid warfare. Spanning historical inquiry, doctrinal shifts, legal frameworks, and technological disruption, the book interrogates how terrorism has transformed-from traditional insurgencies and proxy wars to cyber-enabled, Al-driven, and information-warfare-based threats. Through detailed case studies of the Mumbai (2008), Pulwama (2019), and Pahalgam (2025) attacks, it dissects the trajectory of India's counterterrorism strategy, tracing its evolution from a posture of strategic restraint to one of calibrated retaliation. Structured in twelve comprehensive chapters, this book draws on international law, military doctrine, and real-world precedent to evaluate India's security paradigm. It explores key issues such as the legality of cross-border strikes, the financing and propaganda networks sustaining terrorism, and the complex dilemmas posed by autonomous weapons systems and deepfakes in modern conflict. A vital resource for policy practitioners, security analysts, legal scholars, and informed citizens, Terrorism at the Gates offers not just analysis but a call for a constitutionally anchored, forward-looking counterterrorism strategy. In an increasingly borderless world, it argues, there is no safe distance-and no room for hesitation.