This is helpful for getting the deep links: 1. Natural way by providing quality content. 2. E-mails to bloggers and other webmasters if your site is not popular enough. 3. Exchange links with webmasters. 4. Submission in social sites. 5. Write article and submit in article directories. 6. Post in forums. But try not to spam. Write real post which will benefit community, or answer someone question if it related to your inner page.