Does Mac Mini M4 Support DP Alt mode?

I recently purchased Mac Mini M4 (512 GB) Model. I am using a Benq EX3210U Monitor ( which support HDMI 2.1 and DP 1.4 ). There is some issues when I connect Mac Mini and Monitor using HDMI. As the monitor supports DP Port, I purchased Cable Creations USB-C to DP Adapter. I have verified with Cable Creations that the adapter supports audio. I have also verified the same by connecting to a windows laptop and I am able to receive audio through Monitor Speaker using DP USB-C to DP adapter.

But when I connect the same with Mac Mini M4 I am not able to get audio through Monitor Speakers. So when I researched I found for DP to support audio, Alt Mode should also be supported.

So does Mac Mini M4 Thunderbolt 4 ports ( ports at the back, I tried connecting to ports at the front. I guess they don't transmit video/audio) support DP Alt Mode?

Also, If there is any solution to make audio work using DP 1.4, please do share.

Thanks in advance.

Abhilash D K