Good. I thought you'd given up.
Here's some info about tagfiles:
http://slackwiki.org/Tagfile_Install

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@Anisha - you actually use a paper? I would be more content with copying all the data as a txt or a html file and using it on a pendrive. This has helped me when installing debian - not sure if you have vi when installing slackware though.

I am tired right now, Its about 2:00 AM here. I created partitions 2 hours back with cfdisk, which succeeded. Then I took full 2 hours to select one by one the packages which I wanted to install, and at the end it asked me where to install "Lilo" and I selected the root partition, which met with an error! I pressed ESC thrice to return back to where I was, but instead it took me to password screen, but I wanted to get back, so I pressed ESC again, huh, and this time I found myself back to the main menu! and then I was terribly frustrated, lost all my patience and selected EXIT!

Now I think I'll have to resort to tag files pointed out by SlaxDude and Brian.
But this time I know which packages to select (I didn't select all of the minimum), I'll see if I can modify the tagfiles according to my needs.

Using tagfiles is the best way to go when installing a new Slackware with just the packages you need.
The most time consuming thing is to actually make the tagfiles

If you want more packages than my slack-minimal installation (which only has network and slackpkg, basically), then you should install it and then use slackpkg to install the rest of the packages you want.
For example: will download and install fluxbox

You can use my tagfiles as a base and modify them to your needs: get them here