Is there any chance or its mandatory for backlinks.   

The question is, can you rank without backlinks? The short answer to this is, yes you definitely can. Although backlinks are still important, Google punishes websites that use them in ways that are against their guidelines, and they are many other factors that Google uses to choose which webpages to rank nowadays.

it is difficult but not impossible!!

Backlinks to your website can garner traffic, build credibility, and help your brand rank higher on search engines. That's why it is vital to make link building a part of your SEO plan. ... Marketers often ask why link building is important, and if this technique still holds in 2020.

You need a frame of content in your site so you can construct your usual authority on the subject and inside the niche. so that you see, even as facts says maximum websites ranking in Google have at the least one back link, this proves that you could in reality rank for low and medium-quantity key phrases with none one way links at all.

1. Find low competition keywords using keyword research tools.
2. Start producing content that answers the user's question.
3. If you are writing on question topics, try to answer the question at the beginning of your article.
4. Make your title stand out.
5. Use internal links to help other pages quickly be found by Google.
6. Add your keywords to the first 100 words of your content, but do so naturally.
7. Use the alt text tag to describe what your image is.
8. Fix technical errors on your site with Google's Lighthouse Chrome Extension.
9. Make your site mobile-friendly to match all device screens.
10. Add an XML Sitemap to your website.
11. Delete dead pages, i.e. demo templates, on your website or add a noindex tag.
12. Optimize your website for Core Web Vitals.
13. Reduce server response time.
14. Add structured data (schema markup) to your website.
16. Add a social share button below or to the side of your article.
17. Promote your site on social media.
18. Add videos to your content, infographics, stats and charts.

Can you rank without backlinks? Short answer: yes. I have firsthand experience coaching our clients to build content strategies that help them consistently rank, and link building is never a key element of those strategies. At least, not at the outset.