Hi sangeetha ts,
Thank you for reaching out. The Azure AZ-900 Certification Exam encompasses 6 modules, and you can access comprehensive details along with a self-paced learning course by visiting this link: https://learn.microsoft.com/en-us/learn/certifications/exams/az-900
and also check the exam syllabus here -
https://query.prod.cms.rt.microsoft.com/cms/api/am/binary/RE3VwUY
I hope this information proves helpful. Feel free to reach out if you have additional questions or require further assistance. Also, please do not forget to accept the response as Answer, if the above response helped in answering your query.