Mumbai University — Convocation and degree certificate

Address: Mumbai

I am a 2017 passed of student, I could not give my last paper like normal students as I had lost my father that day and I gave a reattempt exam in the same year and cleared it.
I had applied for my convocation and degree from the Institute I passed as soon as my passing certificate came.
It is 2022, I still have not received the certificate.
When i visit the Insitute, they ask me to visit the University and at University they one time told me to get a letter from college and other time told me that the date has gone but they never issued my certificate.
I urgently need my convocation and degree certificate for job applications.