Hi Aditya,
When you asked to set the search and result option, I assume that your requirement is to have this Due By field to be one of the search criteria in the advance search. Am I right?
If yes, you must have the page which you start the search, when you use the show configurable area you will be able to know the component and view. Please let me know the component and view name first. Then let's see how we can proceed.
Hongyan