Chapter 1: Methods to study Pedology and Edaphology of Indian Tropical Soils: An Overview -- Chapter 2: Evidence of Clay Illuviation in Soils of the Indo-Gangetic Alluvial Plains (IGP) and Red Ferruginous (RF) Soils -- Chapter 3: Clay Illuviation and Pedoturbation in SAT Vertisols Chapter 4: Cracking Depths in Indian Vertisols: Evidence of Holocene Climate Change -- Chapter 5: Unique Depth Dis…