Dehradun: Where there is a will, there is a way, this saying suits Yogesh Srivastava of Dehradun completely. Yogesh Srivastava, after studying from Arts stream, did a one-year diploma in computer software. After this he learned technology. Started teaching computer science to B.Tech and MCA students in a coaching institute. Along with this, he also kept doing the work of inventing something or the other. He built a robot.