Section I: Biomethane: Energy, Society & Circularity Nexus Changing Focus on Bioenergy through resource circulation: A review for India and Europe Debendra Chandra Baruah, H. N. Chanaklya, Sadhan Kumar Ghosh, Michael Nelles Kinetic modeling of biogas production from organic fractions of Municipal solid waste and projection of energy and energy potentials V Mozhiarasi, P M Benish Rose, SM Elavaar Kuzhali, S Kanyapushpanjali, D Weichgrebe, SV Srinivasan Biomass supply chain for anaerobic methane generation: issues and concern Dipal Baruah , Moonmoon Hiloidhari, D C Baruah Bioenergy in Germany- Status and Outlook Michael Nelles, Romann Glowacki , Ingo Hartmann , Volker Lenz , Jan Liebetrau , Franziska Müller-Langer, Satya Narra, Daniela Thrän Feasibility Study of Commercialized Self Circulating Biogas Generators: A Circular Economy Approach VP Bhuvana Varadha, B I Devanand, S Selva Nandhini, T Thavasivamanikandan, V Kirubakaran Section II: Biomethane: Research, Development Improvement in biogas production by direct interspecies electron transfer technique: Current aspects and diverse prospects Ravi Bajaj, Kapil Garg, Sagarika Panigrahi, Brajesh Kumar Dubey Biogas recovery from poultry and piggery waste: a review David O. Olukanni , Chukwuebuka N. Ojukwu Mini Review: SSBR Design for Leaf Litter Digestion Aastha Paliwal , Ashritha J , Hoysall N Chanakya Anaerobic Co-Digestion of Drain Sludge with Fermentescible Municipal Waste of Sokode (Togo) Nitale M’Balikine , Gnon BABA, Ogouvidé AKPAKI Effect of inoculum concentration and particle size of the substrate on anaerobic digestion of yard waste Ravi Kumar D , Chanakya H N , Swati Bhatia , Dasappa S Mathematical Modelling of Aerobic Digestion in Activated Sludge Process Alomoy Banerjee, S Raghuraman Anaerobic co-digestion of landfill leachate and sewage sludge: Role of substrate ratio N. Anand, Srinjoy Roy, P. Sankar Ganesh Section III: Biomethane: Feedstock, Production, and application Economic aspects of Waste Valorization with the aid of Anaerobic Digestion and other technologies Sutripta Sarkar, Debaprasad Sarkar Biomass from Agricultural Wastes for Renewable Energy in the Philippines Aries O. Ativo, Lynlei L. Pintor Utilization of Food processing Waste for Energy Generation Jyothilakshmi R , Sumangala Patil , Hemanth Kumar K. J , Sandhya Jayakuma , SadhanKumar Ghosh , K S Badarinarayan Anerobic digestion of ocimum sanctum (holy basil): effect of inoculum and substrate concentration Sumanth Kumar Matha , K. Swapnavahini Assessment of Biogas Generation Potential of Mixed Fruits Solid Waste David O. Olukanni, Gbemisola I. Megbope, Oluwatosin J. Ogundare Agricultural waste to biogas energy: Design and simulation using the Anaerobic Digestion Model No. 1 Preseela Satpathy , Frank Uhlenhut , Chinmay Pradhan A Review of Operating Parameters, Pre-Treatment Process and Digester Design Effect on Biogas Production in Anaerobic Digestion Amit Kumar Sharma , Ravi K Dwivedi , Bharat Modhera Biogas potential of kitchen waste at Visva-Bharati, Santiniketan Ankita Laha , Indranil Bhui , Anita Biswas, Krishanu Sarkar, Shibani Chaudhury, Srinivasan Balachandran A source of Bio-gas Generation and sustainable development in rural India Avirup Sarker, Mijba Uddin Molla , Shubham Dhar , Sujit Dhar A study of the Processes, Parameters and Optimization of Anaerobic Digestion for food waste Jyothilakshmi. R, Sumangala Patil , Hemanth Kumar. K. J , Sadhan Kumar Ghosh , Sandya Jayakumar Index