This document outlines the planning, analysis, and design of an indoor auditorium with 2000 seating capacity. The objectives are to develop auditorium plans according to code, analyze the design using STAAD software, and manually design critical structural elements. The methodology includes AutoCAD planning, STAAD load analysis and design, and manual design of critical elements according to IS code. Details of the auditorium layout, dimensions, specifications and load applications are provided. The document presents results of the STAAD analysis, including axial forces, displacements, bending moments, and shear forces.