Recorded DVDs are available for GATE/IES/PSU/ are available. Benefits of recorded lectures can be summarized as:
1. In regular classroom session , the student just jots down the lecture on his/her copies, but has no access to the sound and videos of the lecture session after leaving the classroom.
2. Lectures can be viewed any number of times, more beneficial near examination. Revision becomes easier even if the student is on Industrial Training or busy at some remote location.
3. Savings on time, money and energy.
4. Reduces daily travel time and risks associated with it.