Converting paddy straw, or rice straw, into biogas presents a sustainable and eco-friendly solution that addresses the dual challenge of responsible agricultural waste management and renewable energy production. This process begins with the collection and preparation of paddy straw, which is typically abundant after rice harvesting. After cleaning and chopping the straw into manageable pieces, it undergoes anaerobic digestion within a specialized digester. Here, microorganisms break down the organic matter in the absence of oxygen, resulting in the production of biogas, primarily composed of methane and carbon dioxide. The collected biogas can then be harnessed for various energy applications, including electricity generation, heat production, or as a vehicle fuel. This not only mitigates the environmental impact of open-field burning or disposal of rice straw but also offers a sustainable source of renewable energy. Additionally, the residual digestate, rich in nutrients, can be repurposed as a valuable fertilizer or soil conditioner, completing the cycle of resource utilization in an environmentally responsible manner.