Concrete Underground Tank Design Consultation

I’m gearing up to build a concrete underground tank and need expert design and engineering support right away. I have a rough concept, but I want a complete structural package that meets local codes, addresses soil and groundwater loads, and includes clear construction guidance for my contractor... (Budget: ₹12500 - ₹37500 INR, Jobs: AutoCAD, Building Architecture, CAD/CAM, Civil Engineering, Construction Engineering, Project Management, Revit)