Hello, Myself Pragya,
I have gone through the detail of your project with the attached files regarding the renderings you need for exterior and interior , I can surely assist you regarding it attaining the quality of rendering.
I am working as a professional architect and 3D modeller for last 5 years.
I have expertise in Autocad, Solidworks, Google Sketchup, Lumion, V-ray, 3DS Max.
I provide all sorts of architectural services, like 2D layout planning, elevations
sections, construction drawings, working drawing etc.
I can provide you very realistic 3D render of your requirement,
some of its example you can find in my portfolio too. Kindly provide me an opportunity to work for you.
Warm Regards,
Pragya