Chapter 1_Biomass to liquid fuels: Recent trends in techniques in catalytic conversions -- Chapter 2_Towards sustainable production of hydrogen and biogas from biomass residues -- Chapter 3_ Biorefinery for biofuel production: A Case Study -- Chapter 4_Techno economic analysis and profitability analysis of biofuel production -- Chapter 5_Life cycle analysis and environmnetal impact of bio fuel production -- Chapter 6_Valorization of non lignocellulosic bio waste for BioChemicals -- Chapter 7_State of art technologies for production of biochemicals from biomass -- Chapter 8_Nutraceuticals functional foods and specialty chemicals -- Chapter 9_Technoeconomical analysis of BioChemical production: A Case study -- Chapter 10_Life cycle assessment and sustainability for production of pectin -- Chapter 11_Production of biofertilizers from agro residue: sustainability issues and challenges -- Chapter 12_Utilization of activated carbon obtained from biomass in waste water treatment -- Chapter 13_Sustanability and life cycle assessment of nano-materials from biomass -- Chapter 14_Biorefinery approach for production of enzymes from fruit peel waste -- Chapter 15_Production of Biomaterials: A Case study.