Enhance Indian agriculture and food security by mastering Nitrogen Use Efficiency. This pivotal text delves into optimizing crop response to nitrogen fertilizers, offering insights into genetic enhancement, molecular breeding, and managing abiotic stresses. Explore nitrogen acquisition, signaling pathways, and crucial interactions with other nutrients. Essential for plant physiologists, biotechnologists, agronomists, and researchers in India, it bridges fundamental science with practical applications to boost crop production and sustainability.