This review paper by Jayant Kumar and Savita Vyas explores the utilization of biomass, biogasification using anaerobic digestion, and pretreatment techniques for sustainable energy production. The study addresses key research questions related to conversion techniques, biomass feedstock properties, pretreatment effects, and gasifier characteristics. The methodology involves a structured approach, including literature review, methodology, results, and conclusions. The analysis is categorized into theoretical, contextual, and empirical studies, utilizing reputable sources like Google Scholar. The findings highlight the potential of specific biomass feedstocks, such as wheat straw, and multistage gasification mechanisms, particularly when combined with alkaline pretreatment and specific gasifier types. The paper concludes with recommendations for future research, including advanced conversion techniques, comparative studies, and the application of artificial intelligence. It also emphasizes the importance of collaboration between academia, industry, and policymakers to advance biomass gasification technologies and their sustainable implementation.This review paper by Jayant Kumar and Savita Vyas explores the utilization of biomass, biogasification using anaerobic digestion, and pretreatment techniques for sustainable energy production. The study addresses key research questions related to conversion techniques, biomass feedstock properties, pretreatment effects, and gasifier characteristics. The methodology involves a structured approach, including literature review, methodology, results, and conclusions. The analysis is categorized into theoretical, contextual, and empirical studies, utilizing reputable sources like Google Scholar. The findings highlight the potential of specific biomass feedstocks, such as wheat straw, and multistage gasification mechanisms, particularly when combined with alkaline pretreatment and specific gasifier types. The paper concludes with recommendations for future research, including advanced conversion techniques, comparative studies, and the application of artificial intelligence. It also emphasizes the importance of collaboration between academia, industry, and policymakers to advance biomass gasification technologies and their sustainable implementation.