This book presents the select proceedings of the 8th Indian Young Geotechnical Engineers Conference (8IYGEC 2021) on the following conference themes: Characterization and Behaviour of Saturated and Unsaturated Geomaterials, Geoenvironmental Engineering, Geotechnical Investigation and Spatial Analysis and Offshore and Marine Geotechnology. The book covers a wide range of topics on characterization and behaviour of natural and engineered geomaterials, which include soil suction characteristics, hydraulic and volume change behaviour of clay liners, collapse behaviour, contaminant transport, phytoremediation, microbial characterization and biochar-amended soil in landfill covers, stabilization of soils, etc. This book can be a valuable reference for academicians and practicing engineers.