how to get good serp ranking. can anyone tell ??

In attaining good SERP Ranking your website must have a strong backlinks.

Here are some guide in creating backlinks:

Keyword
It is important that you choose the right keyword to rank so that you can gain more traffic within your website. Keywords must be based on your company's products and services and also the possible keywords that researchers might use.

Backlinks
You can attain backlinks through social networking, blogging, blog comments, article submission, directory submission etc. In is important that you create backlinks from website with a high page-rank because high page rank websites can provide link juices which would eventually help your website attain high SERP ranking.

You have to optimize your pages for the keywords you targeted so that search engine could find your pages and index it.

Be popular in Social medias and then do unique postings daily to get serp ranking automatically.