Look at this external hard disk for the combine study of physics and biology subject of 11th class. The e- study materials are prepared by experts in the particular field and can be used for detail study of medical entrance exam preparation .This external hard drive contains:389 hours of 741 video parts with 189 GB size.Supplemented with 1228 pages and 62 MB size of e- study material.It covers Physics and Biology of XI standard CBSE and competitive exams like AIPMT and AIIMS.Validity: 1 year. Compatible OS: Windows XP/7/8 License: Single Machine with Windows Operating System.