In case if you noticed, the theme in http://eclipsebook.in/ has just been updated. (Responsive, bootstrap based theme).The theme is a customisation of https://github.com/ryan-roemer/sphinx-bootstrap-theme/. (EclipseBook.in is not yet updated with this information, but soon will be.)
There may be some rough edges in EclipseBook.in. If something is broken, or can be made better, feel free to share your thoughts.