Which is the best to increase Google Backlinks ?
 

Directory Submission and Blog Commenting is the best way to increase Google Back links.

How to increase Google Back links ?

Write Useful, Interesting, and Fresh Content and do forum posting and social networking.

Quality content, High page rank submissions in forum, social bookmarking and article submission helps to increase backlinks.

To Increase Google Back links you have to do this :
Article Submission.
Blog Commenting.
Forum Posting.
Directory Submission.

Use following strategies ,
>Guest blog posting
>comment on blog
>social bookmarking
>directory submission
>article marketing
>forum posting

There are a lot of ways to create backlinks for websites, and everyone kind of has their own philosophy for what works and what doesn't work. One way to get backlinks is to do social bookmarking, which probably isn't the most effective.You have an option of buying backlinks from websites like SEOclerks.

I think Directry submission is not good thing to create quality backlinks.
Commenting on dofollow blogs is best especially comment on commenting LUV enable blog is very best. you can get 2 backlink with just one quality comment.
beside this, Share latest post on high page rank social bookmarking is also great to create quality backlinks.

Update your website with the fresh, unique contents and shared them with high traffic and page ranked article submission sites, social bookmarking is another way to do this.

Forum posting,Social bookmarking,Article submission is the best way to increase Google backlinks.

Forum post
social bookmarks
classified submission
directory submission

Forum posting
blog creation
directory submission

Forum post, press release, social bookmarking, articles, blogs submission, blog comments, Question and answer its more than enough.

You can increase quality backlinks by any off-page seo technique like Social Bookmarking, Forum Posting, Article Marketing, Guest Blogging and all.

But you need to take care that you should use only fresh content for any of your off-page technique.

Now nothing is best the only formula you have to apply is ethical SEO get links from relevant site that would help you more to get good back link.

write good content is the only best way