Please provide the URLs...

These popular SEO Base sections here might help you, https://www.seoforum.com/base/backlink https://www.seoforum.com/base/building-backlinks

The website should be designed and developed for a better user experience by keeping in mind the search engine guidelines. The complete revamp of the website is possible...

Hope you are following guidelines and using, Google News Sitemap News Article Schema Robots.txt to allow Googlebot-news For more information, https://rankmath.com/kb/go...

Please provide URL...

but 3 months passed.

Give it some time. If the old result is showing up, the new info isn't indexed yet.

You can achieve it but need more resources or a complete Digital Marketing team to do this.

You're missing out on the potential rankings and traffic your old product pages had. As @jaap pointed out in his reply above, make that traffic and pages work for you. Ei...

Just deleting products is a tricky business. If they have backlinks or were indexed I always prefer a 301. Or to a related product, otherwise to the homepage.