I have 62 do follow link of my url but site is not in google.com but my some competitor they have just 2 backlink but they are in top can u tell me the reason
I would advice you to more focus on quality rather than focusing on quantity. Also, rankings are not only based on backlinks there are several other factors as well that you have to analyzed.
You need to learn SEO dear, On page as well as off page optimization. The combination of this is what we called SEO. Do it well and you will outrank them. Read this article Best of luck
Make sure you have done On-Site SEO correctly: Title Tags, Meta Tags, and Keyword Inclusion in your writing. Next for your links make sure that the links have good anchor text for the terms you are trying to rank for. Also make sure the link text has varients so you don't look over optimized to Google.
don't concentrate only with one technique there are lots of SEO techniques that you can apply to your website to truly rank in google.
How good is your On-Page optimization ? Do you have H-tags, Titles, URL structure, etc optimized for your keyword ? Download SEO Doctor - Free plugin for Firefox and take a look at your site. If you're using Wordpress, I strongly recommend SEOpressor plugin. You need to make sure your website is optimized beforre you'll go out and start building backlinks.