Hi Mallikarjun,
The way I am using is to search training based on certifications, use this link: https://learn.microsoft.com/en-us/credentials/browse/?expanded=certification&credential_types=certification
Then you will find the certifications, such as Microsoft 365 Certified: Administrator Expert:
https://learn.microsoft.com/en-us/credentials/certifications/m365-administrator-expert/, scroll down to the page, you will find Self-paced training for everything you need.
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