I want to include the Padding left, top, right and bottom. How can we do in LaTeX?
If I understand your question correctly, the geometry package could be used:
Also see xports answer to How can I set up the left/right margin of the page to 1 inch, the top/bottom one to ½ inch?
Note that LaTeX itself doesn't differ between margin and padding, because it actually doesn't now this concepts. They are normally not required for typesetting. Books are simply done differently than websites.
There are three different ways to define the margin/padding:
If you want to set padding, draw a frame/border around it and then add some margin use:
Here the first