Participation has established itself as a significant approach to project implementation, policy-making and governance in developing and developed country alike. Recently, however, it has become fashionable to dismiss participation as more rhetoric than substance, and subject to manipulation by development agencies and social change agents intent simply on pursuing their own agendas over the community consensus. This book highlights meaningful participation of marginalized groups overcharging slogan of SDGs ‘no one leave behind’ useful in the context of Nepal.