This manual provides a comprehensive guide on the cultivation and production technologies of BARI Roshun-2, a high-yield garlic variety developed in Bangladesh. It outlines the significance of garlic as a crop, its nutritional and economic value, and details the best agricultural practices for its successful cultivation. Topics covered include land preparation, planting methods, fertilization, pest and disease management, harvesting techniques, and post-harvest processing. The manual also discusses the characteristics and advantages of BARI Roshun-2 compared to other garlic varieties. Developed under the AFACI-RATES project with support from the Asian Food and Agriculture Cooperation Initiative, the document aims to support farmers, agricultural extension workers, and researchers in enhancing garlic production and productivity across Bangladesh and similar agro-ecological zones.