Science fiction is one genre of movies and TV serials, which rarely fails to succeed. Robots, cyborgs, and androids have always evoked and still continue to evoke the curiosity and capture the imagination of the human psyche. Over the decades, these humanoids have been portrayed as both good and evil, and sometimes they have even been shown to develop human emotions. Here's a compilation of such sentient non-human beings who have managed to stand apart from the crowd. We have also added a couple of desi bots in the fray, mind it! We know that we have missed quite a few and you are free to suggest in the comments section below...