Hey as i am a beginner of autocad and so plz tell me wher to start as i did not find and tut section here.m using 2006 plz tell me

Welcome to the forums, good luck with your studies.
 
You could start with online tutorials. Try this one for example, free too!
 
http://www.andrew.cmu.edu/course/48-568/2DVideosWEB_files/frame.htm