Hi,PageRank is what Google uses to determine the importance of a web page. It's one of many factors used to determine which pages appear in search results.The techniques to get high PR are
2.Keep Your Blog Alive
5.Utilize Social Networking Websites
Page Rank is the value or weightage given to any web page as per Google. And for this there are so many factors which Google considers like back-links, content quality, and the way of promoting your web page.
PageRank has been discussed many times before in these forums. If you had just spend some time reading through these forums you would get a pretty good idea what PageRank is. In fact, you might want to look at this thread from a year ago: Click Here