Hello, Myself Pragya.
I have gone through the project detail and the attached link regarding the fly-through video you need for the development. I can surely assit you regarding it .I have done similar project vefore that I can share over chat.
I have been working as professional Architect and Interior designer for last 5 years.
I am quite handy with Autocad, 3D modelling software like Sketch up, Revit, Lumion, 3DS Max and Solidworks.
I provide all sorts of architectural services, e.g. 2D Site plan, 2D CAD floor plans, elevation, sections, 3D modeling of interior and exterior of residential and commercial projects along with realistic rendering and video walk through.
Please check my profile to see my work and reviews from awesome clients that I have worked with.
https://www.freelancer.com/u/pragyajprajapati?w=f
Warm Regards