“…10,11 After the extensive literature review cited above, it has been found that very few publications are reported in the literature related towards optimization (response surface methodology) of biomass-based producer gas production. Literature studies have reported application of RSM methodology in gasification employing low-grade coal 12 downdraft gasifier, 13 spent pot lining waste materials, 14 and eucalyptus wood sawdust. 9 Significant previous research on gasification utilising agro-waste individually has been presented by earlier investigations.…”