This book explores the significance of Nutri dense crops traditionally consumed during fasting in India. It highlights their nutritional benefits and their role in sustainable agriculture. Covering a diverse range of crops such as barnyard millet, amaranth, buckwheat, makhana, and chia seeds, the book sheds light on their historical and cultural relevance, along with their modern-day importance.The chapters provide detailed insights into each crop s biology, cultivation practices, genetic resources, and potential for commercialization. Readers will find valuable information on their production, breeding techniques, and innovative value-addition methods that enhance their utility in today s food systems.This book serves as a comprehensive resource for researchers, students, agricultural professionals, and food industry stakeholders. It aims to raise awareness and encourage the cultivation and consumption of these nutrient-rich crops, supporting both health and sustainable farming practices.