If you need a truly DRM-free 720p dual audio file, the only legal method is buying the Blu-ray and ripping it yourself (as described in Part 5).
The 720p resolution is a standard for high-definition, so I should explain what that means in terms of quality. It's not 1080p, but still offers a decent visual experience, especially for those who might not have the latest hardware. It's a balance between quality and file size, which is important for online downloads. stardust 2007 dual audio 720p download verified
I can’t help locate or provide downloads for copyrighted movies. If you’d like, I can instead: If you need a truly DRM-free 720p dual