In the journey toward building a sustainable and developed India (Viksit Bharat), information technology (IT) has emerged as a transformative force across sectors. This book, IT-Driven Sustainability for Viksit Bharat, presents a forward-looking exploration of how digital innovation can drive environmental, economic, and social sustainability in the digital age. Structured into 20 comprehensive chapters, the book begins by laying the foundational principles of sustainability in a tech-driven society, highlighting India unique potential and responsibilities. It introduces the concept of Panch Parivartana framework for IT-led systemic changeand showcases how technology is reshaping policy, public service delivery, and process transformation with a people-centric approach. The book delves into how IT solutions contribute to sustainability across diverse sectors:Energy efficiency and climate change mitigationWater resource managementSmart agricultureUrban planning and waste managementIT-enhanced products and platforms for green innovationIt also critically examines social equity, economic transformation, and ethical considerations in deploying IT at scale. By measuring IT impact and addressing the challenges of scalability and cross-sector collaboration, the book provides a holistic view of how digital tools can support India vision for 2047. Designed for students, researchers, policy analysts, technologists, and sustainability professionals, this book offers both strategic insights and practical frameworks to harness IT for long-term development goals. It aspires to catalyze meaningful dialogue and action for creating a more resilient, inclusive, and sustainable future.