Realistic 3D VFX Corporate Video

I have a finished corporate video that now needs a layer of polished visual effects. The centerpiece is a realistic 3D animation sequence that should integrate seamlessly with the live-action footage—think... (Budget: ₹1500 - ₹12500 INR, Jobs: 3D Animation, 3D Graphic Design, 3D Modelling, 3D Post Processing, 3D Visualization, After Effects, Animation, Motion Graphics)