Hi Noshan,
There are number of off page techniques. Some of off page techniques are ;
*Bookmark submission
*Directory submission
*Forum Posting
*Article Submission
*Blog commenting
Bookmark submission - Social bookmarking is a new technique to attract visitors to your website through marketing your website in popular social networking websites and thereby attracting visitors to your website. It provides you with backlinks or inbound links to your site.It help you a lot in your link building efforts and probably increase your PageRank as well.
Directory submission - Directories are web search tools compiled by human editors. When sites are submitted to the directories, contents are edited manually by editors and are categorized and listed under one or two relevant subject categories, and people can search for information using different keywords and phrases. Directory submission allows you to directly tap your prospective customers. You get submitted directly in Search Engines and the number of directories in which you are listed increases, your rankings in Search Engines also improve. It help you to increase traffic on your web site.
Forum Posting - Forum Posting knows that constructing a community forum on the Internet can be very challenging and difficult to achieve. People want to join a message board that is full of interesting discussions, lively chitchat, and informative conversations. You can create a signature where you can place your links, You can insert URL's on the post or reply. You will get referral traffic from your posting through your signature. Forum links helps you to increase your link popularity.
Article Submission - Article may be defined as a detailed presentation of facts in an interesting form adapted to rapid reading, for the purpose of entertaining or informing the average person. It usually deals with recent news that is of sufficient importance to warrant elaboration. Article is submitted to famous article presenting website, there begins the publicity of your website. In a short span of time, you will receive new and potential buyers in an easy and effective manner.
Blog commenting - Blogging is one of the best ways to build a successful blog and grow your online business. While doing a guest blogging you get a quality traffic, it helps develop your authority, improve your writing, increases your exposure and brand awareness, get essential backlinks and brings targeted Visitors for free.