As you have already figured it out. Many autodesk product are available only in windows, revit also is windows only.
Windows in boot camp has troublesome since beginning and never “smooth”.
Even for general usage, It’s hard to recommend MacBooks after 2017, both in terms of hardware specs and build quality. You might be already aware of the pathetic after sale support you get in India.
Previous generations of MacBooks were amazing, but never perfected for 3d graphics related software. So for your case mac is out of equation.
Not sure why you specially looking for i7, if I was in your shoes I would be looking for ryzen based mobile workstation with good heat recycling capacity.
You shouldn’t worried about running photoshop, but revit and autocad- these need serious cpu and GPU power.