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:624 hours of 1170 video parts with 300 GB size.Supplemented with 2558 pages and 116 MB size of e- study material.It covers Biology and Chemistry of XI, XII standard CBSE and competitive exams like AIPMT and AIIMS.Validity: 2 years. Compatible OS: Windows XP/7/8 , License: Single Machine with Windows Operating System.