Thanks a lot to all i will definatly follow these rules:)i used to drive in canada and there r no round abouts at all ,,then i moved to abudhabi and since two years i was driving there too ,,couldnt find any prob.but here everywhere u have to face round abouts..so no worries ofcourse it will take time to adjust here,not only in driving but in different matters too;)...thanks again...:)