In the present world, we have a wealth of information just a click or touch away from our finger tips, thanks to information technology. People have become habitual of surfing, downloading and saving literature files preferably as pdf's in their computer devices. Gone are the days when paper books used to be the only dependable sources of information or knowledge for us. And those times are also over when scholars needed to travel and visit libraries to get a book, manuscript or an article available in a particular library hundreds or thousands of miles away. Because of revolution in information and communication technology, the emergence of e-library has opened doors to innumerable sources of high quality literature freely available or with paid access over the internet at our places. Having a computer, laptop, smart phone or some related gadget with internet connectivity is the only requirement that we get access to varied domains of e-literature through a network of search...