Get CBSE class 12th coaching with this video lectures in external hard disk. These lectures are prepared by experienced and famous lecturers. This external hard drive contains: 479 hours of 1000 video parts with 239 GB size. Supplemented with 1741 pages and 79 MB size of e- study material. It covers Physics, Mathematics and Chemistry of XII standard CBSE and competitive exams like IITJEE Mains and Advance. Validity: 1 year. Compatible OS: Windows XP/7/8 , License: Single Machine with Windows Operating System.