This book presents peer reviewed papers from the proceedings of the 9th Indian Young Geotechnical Engineers conference (9IYGEC), 21-22 March 2023, held at MIT Aurangabad. The topics covered are advanced ground improvement techniques, geosynthetics and its application, geotechnical site investigations and case studies, tunneling and underground structures, slope stability, shallow and deep foundations, landslides, and so on.  The book discusses various properties and performance attributes of Geotechnical Engineering and Foundation Engineering. This book is a valuable reference book for beginners, researchers, academician, and professionals interested in geotechnical engineering covering the design and execution of foundations and other structures for variety of infrastructural projects.