How I can get ranking ?

Don't overdo / spam with the link building.
Its only one part of SEO.

Other parts include structuring your page, optimizing yuor website speed, working on unique and relevant content. And all that gives results in the future, nothing is visible right now.

If you start working on this right away, you can see results in a few weeks, not sooner.

To Start Off, Structure your page, Create and Maintain good site map (Really helps)., Post unique content., Optimize your site speed, Get your Social media pages setup and start tweeting, updating status, posting content and constantly link it to your site,

Generate good set of keywords to match both site and content., create back links for your website mostly .edu and similar. Thats about it you are on your own from here.

Finally do search BHW for SEO tips