Cbse.nic.in is a very helpfull site for students.This site have maximum information regarding pratical till 12 When we are studying in 10th and 12th standard in which board exam held. Board exams are very simple but we need to know the correct syllabus for our subjects. Cbse is the most preferred educational board in the country and cbse.nic.in is equally good as I used it.It is very helpfull for students.