Pretty good overall. A few comments:
"The most influential change that science has brought with it in today's world is none other than media." In your first sentence, you are claiming that media is the most influencial change that science has brought. This is a pretty strong claim and can be easily disputed. I don't think this will hurt you too badly, but you don't need to make such a claim. It is hard to begin an essay. In the actual test, I started with the body paragraphs and then wrote the conclusion paragraph and the introduction paragraph last. I think this is the best way to go. Make your introduction and conclusion follow your supporting arguments and not the ohter way around. Basically, all you need to do is find 3 or 4 main points, bullshit, and then throw in the intro and conclusion.
"The way media touched and became an integral part of our lives is amazing." Instead say "The media has become an integral part of our lives." Avoid using trite adjectives.
"Talking about the various forms of media;the television,the music, the books and films,all have in some way or the other made a deep impact in our lives." This sentence is a fragment, I understand what you are saying, but it is not properly constructed. Who is talking about the various forms of media? Instead say something like "Various forms of media such as television, music, books and films all have in some way or another made a deep impact in our lives".
Second paragraph looks pretty good. "Osho spread his feelings throughout the world via the books,audio cassettes and television." One minor gramatical comment, when you are talking about objects, you don't need to place the word "the" in front of the objects that you are speaking about. For example, say "...via books, audio cassettes, and televisions..." rather than "via the books, audio cassettes..."
Your third and fourth paragraphs were the best with good examples to support your argument. If you are not already doing so, after you choose your topic (or better done while you are choosing your topic) try to think of one or two powerful arguments that you can make for or against the topic you are debating. These arguements should be the first sentence of each of your body paragraphs. Finally, you left out the conclusion paragraph. Make sure in the end you summarize the author's view and the reasons why you support or are against his argument.
Your arguments are pretty good, but you can now gain the most points on your AWA by conforming to English writing conventions: