If you want to rank any site in SERPs then backlinks play a major role in that process. It is time consuming job but still unavoidable because ultimately, it’s still the trump card for top 10 rankings. The Google algo has become much more elegant and advanced, and placing more emphasis on trusted links.
This collection of link building tips are likely to guarantee that you will receive free links from already established websites.

1. Article Submissions. Just create a short article about your services as niche as possible and submit it to high PR Article submission sites it will surely help in extending number of backlinks.
2. Submit site to Directories. This is a pretty monotonous process that can get you several hundred backlinks. An alternative would be to hire a manual directory submitter.
3. Comment on Blogs. Start commenting on relevant and popular sites in your niche. Don’t just spam for links but focus on building a relationship with other bloggers as well.
4. Reciprocal Links with Similar Websites. It’s important to pick sites that are of high relevance so you’ll not only get links but traffic. Reciprocal linking can be useful from the beginning but don’t overdo it. Prefer three way reciprocal links to avoid google penalty.
5. Submit Press Releases to PR Sites. A basic press release about your website’s launch can be released to several PR websites, who will distribute it to various online news outlets
6. Web 2.0 Pages A Various free services are available to create free web 2.0 pages like a Squidoo lens is fairly easy to create. It only takes around 15 minutes to set up one fully and you’ll be able to insert a bunch of anchor text links to your website.
7. Social Bookmarking Certain social bookmarking sites like Digg or del.ic.ious are often crawled by search engines and do help to get a website indexed. They also help you to increase traffic to your website and also provide you free backlinks.
8. Forum Signatures. Sign up for some forums in your niche and start contributing to ongoing discussions. Insert a link to the homepage or some inner pages of your site.
Some forums provide you backlinks very quickly and no doubt visitors will come to know about your services.

thank you , and i wish this article is unique content and not copied from other site . well done and waiting for your next articles.

this is great. Thanks

thanks for sharing a very informative post.. you gave me an idea...

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And you can also do social bookmarking, blog commenting and directory submissions as well. Press releases I found to be difficult because mostly websites are not free.

Its no secret that backlinks (links pointing to your domain) are very important factor on how google ranks your website in their search results. Most other search engines also value the links to your site also …

Here is some free techniques you can employ to help you build links to your site, traffic will be a consequence as well. You don’t have to follow them in any particular order but, the more of these that you accomplish the better job you will have done …

Thanks for informative discussion. You have mention all methods for link building article, directory, bookmark, and other methods. I want to know which is the best one with all these, and the reason. Secondly what is the difference manual entries and done by software’s. Looking for your response.

Thanks for information!!!
I was really searching this type of information in last few days.
This information will give me lot of help in near future.
Thanks a lot