Get CBSE class 11th and 12th coaching with this video lectures in external hard disk. These lectures are prepared by experienced and famous lecturers. This external hard drive contains: 638 hours of 1324 video parts with 320 GB size. Supplemented with 2160 pages and 103 MB size of e- study material. It covers Physics and Math of XI, XII standard CBSE and entrance exams like IITJEE Mains and IITJEE Advance. Validity: 2 years. Compatible OS: Mac , License: Single Machine with Mac Operating System.