IEC-Compliant Residential SLD Upgrade

I need to bring my existing residential single-line diagram fully in line with the latest IEC requirements. The sole objective is code compliance; we are not expanding capacity or re-engineering the system... (Budget: ₹12500 - ₹37500 INR, Jobs: AutoCAD, Building Architecture, CAD / SolidWorks, CAD/CAM, Electrical Engineering, Engineering Drawing)