The opening sequence of 'Akashathinte Niram' has an old man (Nedumudi Venu) asking a young boy (Govardhan) what the color of the sky is. Blue, replies the small chap. The man suggests that the sky sports hues and shades that the mind would love to see. Quite an anticipatory bail for a film that is to follow for a couple of hours, that prompts the viewer to draw up assumptions and arrive at conclusions of their own. Dr. Biju's new film follows a pickpocket (Indrajith) who lands up on an island inhabited by three individuals - an old man, a young boy and a deaf and dumb girl (Amala Paul). Not…