Hello @Chethan_A ,
Step 1: Complete the activation of the GitHub Student Developer Pack
Step 2: Link your GitHub account with the MongoDB Student Developer Pack
Step 3: Enroll in the appropriate MongoDB Certification Learning Path by selecting the certification you wish to pursue.
Step 4 : Upon successful completion of the learning path, you will receive the voucher via email.
Step 5: Register for the certification Exam Register Here
Refer MongoDB University for Labs and Practice questions and review the MongoDB Documentation for deeper understanding.