1. Visit the Mumbai University website. Go to the "Students" section and click on the "Academics" tab.
2. Click on the "Degree Certificate" link. This will take you to the page where you can apply for a duplicate degree certificate.
3. Fill out the online application form. You will need to provide your personal information, your academic information, and your payment details.
4. Upload the required documents. You will need to upload a copy of your passport, a copy of your mark sheet, and a copy of your provisional certificate.
5. Pay the application fee. The application fee for a duplicate degree certificate is Rs. 500.
6. Submit your application. Once you have completed the application form and uploaded the required documents, you can submit your application.
7. Wait for your duplicate degree certificate to be issued. It may take up to 15 days for your duplicate degree certificate to be issued.
Note: If you have any questions about how to apply for a duplicate degree certificate, you can contact the Mumbai University student help desk.