I found it here.
https://infraapp.blogspot.com/2022/03/nutanix20223.html

Here: https://www.lets-talk-about.tech/2022/03/nutanix-free-certifications-voucher.html

Hi @Amsalu 

Looking to get #Nutanix #Certified - NCA, NCP, NCM? ‍
How about a #FREE #Certification?

Well here ya go!

Each voucher is limited 1 time per candidate, and must be registered by May 15th - And certification exam taken by June 15th!

Once you’re ready to take your exam, just enter the voucher code when you register - c NTXRF22D ]

What are you waiting for? What do you have to lose? ‍♂️ ‍♀️

Start now, here🧑🏾‍  https://www.nutanixuniversity.com/ 

NTXRF22E  Feel free to use :)

Thank you very much for support I register the one who you send me but still now I need NCSE-Core free voucher. Please if you have NCSE-Core exam free voucher. I am here to use it.