The document provides a list of 4 laptops priced under 30k rupees that offer good performance and long battery life. It describes each laptop, including their specifications such as screen size, processor, RAM, hard drive size, operating system, battery life and other key features. Overall the document recommends these 4 laptops - the Sony VAIO E Series, Samsung NPRV511, HP 2000-2121TU, and Lenovo Essential G580 as affordable options under 30k rupees that are suitable for everyday use including web surfing, gaming and entertainment.