Drop Down List hyperlink to sheets in another workbook

Will it work for you if you are able to double click on the No. in column B in your Master Plan and it opens the correct sheet?

yeah. that is what i do it right now. i hyperlink each number to its own sheet and it really takes a lot of time. i try to do something like this http://www.youtube.com/watch?v=p_77cZ1Vyl4 and i try to implement with my condition but it did not work.