Why things rotates in anti clockwise direction?

Usually because the makers of those things have made them to turn anti-clockwise. "Spontaneous" and permanent anti-clockwise turning of things is practically non-existent (if we discount the turning of whole planets). A well-know urban legend says that water going down a drain on the southern hemisphere of the Earth always and spontaneously turns anti-clockwise. That has however been extensively tested and turned out not to be true.