Worked on enhancing detector simulation accuracy by aligning HGCAL geometry definitions with v18 and v19 versions in the SegmentLinking/cmssw repository. Focused on introducing new cell types and adjusting existing ones to ensure accurate cell areas and valid configurations, thereby reducing configuration risk in simulation workflows. Refactored the HGCalCellOffset logic to simplify conditional checks, improving code readability and maintainability. Utilized C++ for both development and code refactoring, emphasizing geometry modeling and detector simulation. The work concentrated on delivering a single, well-defined feature, with improvements captured in detailed commits, and contributed to more robust and reliable detector modeling infrastructure.