Linux mint Crash on Nvidia MX350

Hello,
I am using Linux mint on Dell Inspiron 3511 with nvidia mx350. On AC power, if I am running GPU (Playing games or using it) it crashes my OS. On battery it runs fine. On Windows it also works.
I am using latest Nvidia driver 535 and using latest kernel doesn’t help.
Please help.

Please run nvidia-bug-report.sh as root and attach the resulting nvidia-bug-report.log.gz file to your post.

nvidia-bug-report.log.gz (351.2 KB)
Here it is.

There are no nvidia related crashes in the logs, only your Realtek wifi was crashing once. The temperature of the nvidia gpu quite high (54°C) without doing anything, please clean its cooling.

The cooling is not an issue as it is clean. There is nothing in the log because I have installed Linux mint recently. this is my work machine so I can not afford to crash it intently.
As I have said previously on Windows everything is fine. On Linux, I can run everything on GPU if I am on Battery. It is not a kernel issue as I have used on fedora. It is a driver issue.
At least can you guide me on how to set “Power Source: Battery” permanently.