You can apply for BRABU certificate online by following the below steps.

• Visit the official website of BRABU. 
• On the home page, click on the Online application for Certificate.
• Next click on the new document requests for students.
• Enter all required details and upload the marksheet. 
• Select the certificate you need.
• Pay the required fees online by using net banking or ATM Card. 

After applying, it will take around one month to get the original certificate. You can check your certificate request status online. If you want to get the certificate soon, you may need to pay extra.