Shesha is a compact biodegradable waste converter developed at NABTD, BARC, is a revolutionary solution for managing biodegradable waste. This innovative system offers decentralized waste processing, with the added benefit of generating high-quality fuel and nutrient-rich manure for soil applications. Key features include: Helical Design: Shesha's digester is cost-effective, made from PVC pipes with a helical shape for efficient waste digestion. Cost Savings: The design eliminates the need for costly MS domes, reducing construction expenses. Mobility: Shesha can be mounted on wheels or a vehicle, making it adaptable for various locations. Biogas Recycling: Shesha recycles biogas for methane enrichment, promoting sustainable energy production. Real-time Monitoring: The design allows for online monitoring of process parameters, sampling, and a deeper understanding of the bacterial processes involved.