Home TT Earthing Design Consultation

My new house is almost ready and I now need a complete earthing design before any circuits go live. I have already decided on a TT system, so the assignment is strictly design-and-planning: no on-site installation work, just a clear, code-compliant plan that my electrician can follow... (Budget: ₹600 - ₹1500 INR, Jobs: Building Design, Circuit Design, Electrical Engineering, Engineering, Home Design, MEP Design)