Choosing right category and keywords for a url to submit in directory sites is most important. And unique description is also quite important.
Hi Dear, The Basic Directory Rule are : 1.The title and description should be unique and informatics. 2. Relevant categories 3 NO sites redirecting the user to another site. 4.DO NOT include price information, special offers and other offers that undergo periodical revisions. Software development india
Dont forget to pay if its not a free directory because we are not stupid and we wont accidentally approve your submission if you didn't complete payment.
You have to choose right category for your site. If you do not choose right category is difficult to get the back links through directory submission.
Directory submissions is very important for SEO, on practice you can clear all your doubts try to do few submissions.
You can also get a list of directories both free and paid from this forum. There are many threads sharing this information.
Directory submission is a continuous process. Don't blast submission just for one week and then completely stop. It will harm your ranking. Also don't use same title again and again. Use variety of titles.