Hi mallik,
I checked the pdf u mentioned and found the following adapt numbers related to Fold/Unfold option in Webi although i am not if any of them below exactly solves my problem.
ADAPT01630549 :
When viewing Web Intelligence documents in Business Intelligence (BI) launch pad, after folding a value in one section, other sections incorrectly fold the value.
ADAPT01514110
The fold and unfold arrows still appear in a Web Intelligence document in Reading mode after the "Bookmark section" in Section properties has been unselected. The arrows work correctly in the Web Intelligence Rich Client Reading mode.
ADAPT01543429
A Web Intelligence document opened via an openDocument URL opens with the Fold/Unfold feature disabled,despite the fact it was saved with the option enabled.
ADAPT01549697
In Safari, in a document open in the Web Intelligence Web interface, when working in the Fold/Unfold section, the button to expand and collapse "ALL" sections is only partially visible and not usable.
ADAPT01630282
Folding or unfolding the last item in a block fails to work in Web Intelligence Rich Client or the Advanced creation tool.
ADAPT01665067
After folding at a break, the total number of pages is increased