recently i found a very good collection of lectures: http://www.youtube.com/profile_play_list?user=nptelhrd http://www.youtube.com/profile_play_list?user=nptel

recently i found a very good collection of lectures: http://www.youtube.com/profile_play_list?user=nptelhrd http://www.youtube.com/profile_play_list?user=nptelhrd a couple are math-specific, but they keep adding videos so there may be more later on