It is really mysterious that whatever we perceive around is not real. Reality is far beyond that. What we see in third dimension is only a tiny part of our invisible universe. According to ancient vedic text, modern quantum physics and string theory there are more eight dimensions beyond this reality. Which is actual. But can we reach there. Yes, we can, not through science fiction but scientifically. But before reaching there we will have to understand, what actually Dimension is. Let us delve.