Std. 10 Science & Technology [45 DVDs] GSEB – Gujarati Medium Gyan Ganga Education provides Audio Visual DVD Set for Std.10 SCIENCE & Technology 45 DVDs set [M.R.P. Rs.3000/-]: TV Tuition by Expert Teachers. Science & Technology Subject DVD set is Full Combination of BEST TEACHERS’ TEACHING + Full of Animations, Photographs, Charts,