A: No. You cannot create pixels that don't exist. Upscaling software makes a file larger, but the actual 4K detail is not there. You need a native 4K source.
Use the "Download" feature within apps like Netflix or Prime Video to watch 4K content without buffering. If you'd like, I can help you: Find a list of specific 4K titles available in Hindi Check if a specific movie has a 4K Hindi release download 4k movies in hindi dubbed