Apply Filters to each Cell

Hi Experts,

plz help me for the attached sheet

How can I apply filters to

a) each cell of Column D

b) each cell of column G

in the same pattern as shown in Column D and Column G in the attached sheet

What steps i need to follow...plz help..........really appreciated

Thanks,

Note:
JosephP, jeffreybrown and others :plz help me with steps for that problem/issue as you helped a lot to others on similar issue in the forum