Jai Prakash University — Part-III Result Declare in 2016. But not given to me Marksheet of Part-III

Address:

Jai Prakash University Chapra

I've completed BSc Part-III from J.P. University, Chapra Bihar. My Marksheet not provide by University since 2016 after result. I've given application to J.P. University more time. but not taken response by University. e.i,
1. 07.09.2018
2. 27.10.2018
3. 18.02.2020
4. 15.06.2020 (By Telephonic)
5. 14.03.2021 (not signed on my reminder application)
6. 02.12.2021 By Whatsapp and Telephonic.

Plz, I request to you solve my problem, I need to my marksheet very importance