C. Augmented Reality based Board: This application finds its use in classroom teaching or collaborative learning by enabling the teacher to enhance his/her presentation of content by providing a projected AR environment. The AR environment allows the teacher to use markers for projecting 2D/3D content on the markers. The markers can include line patterns, characters, geometric shapes, colors etc. on the board to provide the context to the AR board application. The concept diagram of AR board is given in Figure 6