Welcome to the forums, @piyalishil.
If you take a look at the Marketing section, you’ll find this question or very similar has been asked and answered numerous times. (Social media has no effect on SEO, so you’re unlikely to find much help in this category.) Here are some suggestions to get you started:
https://www.sitepoint.com/community/t/google-serp/269371
Please take a look at some of the relevant threads, and if you then have a more specific question which remains unanswered, feel free to post again. Meanwhile, I’m closing this thread to avoid duplication of discussion.