Plugrush Slider Widget
 

How can we use plugrush plugin to include the slider widget ? or we can only include slider widget by putting code directly in html?

I think you should be able to add it to your sidebar just as you would with any other PlugRush widget. doesn't matter where in the sidebar or your theme you add it. it will show at the top/bottom of the page regardless

I am able to add the normal widget via widget panel but not the slider widget :-(

I will look into it and get back to you.

It should work now. Let me know if it does or not.
The slider widgets should now also be displayed in the list of widgets.