A few must-reads suggested are - Soil Mechanics & Foundation Engineering (R.F.Craig, Muni Budhu). - Environmental Engineering (G.O.I Manual, S.K. Garg). - Fluid Mechanics and Fluid Machines (Modi & Seth, R. K. Bansal Cengel and Cimbala, K.Subramanyam, Jagdish Lal). - - Highway Engineering (Khanna & Justo, Kadiyali) - Railway Engineering (Saxena & Arora)