Clarify Large-Scale Project Scope

I have a huge initiative on my hands—hence the placeholder title “1000000000”—but the specifics are still wide open. Before I commission full development or production work, I need an experienced consultant who can help me pin down the true requirements, risks, and roadmap... (Budget: ₹12500 - ₹37500 INR, Jobs: Business Analysis, Change Management, Consulting, Documentation, Project Management, Risk Management, Strategic Planning, System Analysis)