Hi Ashika Dave ,
Thank you for contacting us!
Regarding the Introductory Japanese Language (Level I) Course: It seems this course does not offer a certificate through OpenLearning.
The course might offer a certificate outside of OpenLearning. To find out, you can contact the course creators directly. You can do so by leaving a comment within the course or sending them a message through their profile page (if they have private messaging turned on.)
If you have any further questions, please don't hesitate to contact us via email to firstname.lastname@example.org