Hi can some one guide me regarding the post that " if i change the adgroup mae from XYZ to ABC for example doe it have any impact on the quality score of that particular adgroup ???? Please suggest
Right, changing the name will not have an effect on the quality score. Here is a short writeup from Google that explains a little bit more about quality score: http://adwords.google.com/support/aw/bin/answer.py?hl=en&answer=10215
I think this video (http://www.youtube.com/watch?v=K7l0a2PVhPQ) explains a lot on QS. Cheers, Oebidoebie