English Medium) Civil Engineering Pictorial Volume-4 (2024-25) Reinforced Cement Concrete Design, Design of Steel Structures, Structural Analysis, Estimation, Costing & Valuation (RRB SSE / ASSAM PSC AE / JE / SJVNL / BPSC / JE / AE / CHHATTISGARH / PSC / CGPEB AE / JE / GUJARAT / GSSSB / AE / JE / HPSSC / HARYANA PSC etc.)