Try to find your niche market and your competitors. Don’t do spam links. Don’t do spinnig. Don’t do black hat SEO tricks to be oversmart.
If there’s an attribute in robots.txt as “noindex, nofollow”, google can’t index those page, check it by clicking the view source of the website or view by robot.txt file.
Thanks for the reply. yup i cheeked competitor back links. but they are using different country. in that website we can’t change the location there.
Off-page SEO is done at the very last stage. You have to finish with on-page seo. Your site should be checked for technical errors and user factors. I think the main problem in the site.