... converting agro-forestry waste into fuel briquettes / white coal / bio-coal; bio-mass based gasifier system and other energy equipments ... used. Groundnut-shell, sugarcane bagasse, caster shells / stalk, saw dust, coffee husk, paddy straw, sunflower stalk, cotton stalks, tobacco ... waste mustard stalk, jute waste, bamboo dust, tea waste, wheat straw, palm husk, soybeans husk, coir ...