can anybody help me how to prepare for solidedge certification??
You can learn more about this at the Solid Edge Certification web site.
Most helpful is the "Preparing to take the Solid Edge Certification Exam .pdf and these sections:
And FYI - a new ST9 certification exam was recently made available at Go to the Solid Edge Certification exam website
If you are a student, the following looks great (new!)
SIEMENS Solid Edge Certification for Students - Udemy
Solid Edge Training for Beginners: Validate Your Skills and Become a Certified Associate in Days (Mechanical 3D Design) - Free Course