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Biochar is emerging as the sustainable and low cost catalyst to enhance biogas production, hence application of plant derived biochar (PBC) in anaerobic digestion of cattle dung could save energy, reduce CO2 emissions, and be an effective waste management method. Addition of biochar as a catalyst not only increases methane content but has several other advantages like managing surplus crop residues, replacing inorganic fertilizers and reducing GWP. Further increase in energy content in biogas will also contribute in reducing the cost required during enriching biogas. The Indian government is also promoting a use of BioCH4 for the transport sector with the aim of diversifying and decarbonizing natural gas, but the huge amount of energy is required for enriching biogas in terms of methane. Hence, measures are required to use this surplus biomass for fulfilling the growing energy needs of country is needed. This research will help policymakers make appropriate decisions to fill the critical gap in bioenergy sector while enriching the environment.