Projectors also referred to as image projector, is an optical device used for image projection on a surface generally projection screen. Traditional projectors create image by shining light through a transparent lens, now-a-days projectors directly produce image using lasers. Video projectors are basic type of projectors used recently. Latest projectors make use of lasers or LEDs to project image. Use of Education Projectors is growing owing to; increasing use for e-learning (online learning, web-based learning, and blended learning), technical advancement in projectors, number of factors (like being cost-effective, lightweight, portability, small size & others), etc.