Look at this external hard disk for the combine study of physics and chemistry subject of 11th class. The e- study materials are prepared by experts in the particular field and can be used for detail study of engineering and medical entrance exam preparation. This external hard drive contains 359 hours of 693 video parts with 175 GB size. Supplemented with 1079 pages and 49 MB size of e- study material. It covers Physics and Chemistry of XI standard CBSE and competitive exams like AIPMT, AIIMS, IITJEE mains and Advance. Validity: 1 year. Compatible OS: Windows XP/7/8 , License: Single Machine with Windows Operating System.