Need advice with Google rankings

[Adan]

You've got a fierce competition for those keywords, you'd need to build a lot of popularity to be able to compete with them. Then improve the on-page optimisation of your handset pages, as it's all about a table with the tariffs and an image of the handset at the moment. It'd also help if you implement a mod_rewrite on your URLs to make them static. And pray, as it won't be easy, since you're competing with big and popular sites.

[etech-racheal]

While selecting keywords it is important to do a proper research. Research helps in finding targeted keywords. While doing research thing according to users which keyword they may use. Like this way you can easily find out targeted keywords.