Dt november 2014

hello Frnds, I did not performed well in Costing and ISCA. i only attempted 66+ paper in costing. cant say whether i vl be able to score 40+ or not. ISCA was average. i didnt remembered some points. i tried to complte the whole paper. but only attempted 90+. some of my answers where not to the point. Now i want to score 60+ in DT or in IDT. kindly suggest some important and new amendments of DT. and also the case laws. plz woh log answer mat dena..jinka dialoge h ki full course padho. thanku. regards Nitin Negi