Guys everyone knows that xiomi smartphones are successful at their marketing. After releasing latest MIUI version MIUI 7, they released beta rom for redmi note, 1s,2s,note 3g & 4g. Changelog is available at MIUI site.
Beta 7 may be note a stable version but its equipped with more features than older version.
Direct download link is available at & http://en.miui.com/thread-149081-1-1.html
