MacBook Pro (16-inch, 2019), Shuts down or restarts over and over

Below are the logs, This is my new Laptop and I'm using this for 3 months, now for past 2 days mac is restarting over and over again or shuts down without any error message.

Please help ! Thanks!

2020-08-18 15:27:02.273686+1000 0xd5 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: -11

2020-08-18 15:40:56.091269+1000 0xd5 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: 5

2020-08-19 02:15:37.781086+1000 0x5617 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: 5

2020-08-19 02:45:04.810259+1000 0x5801 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: 5

2020-08-19 12:07:46.170412+1000 0xd5 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: -11

2020-08-19 12:19:10.668537+1000 0xd5 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: -11

2020-08-19 12:53:06.724169+1000 0xd4 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: 1

2020-08-19 13:01:30.288491+1000 0xd5 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: -11

2020-08-19 14:16:38.382594+1000 0xd8 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: 7

2020-08-19 14:23:27.730602+1000 0xd8 Default 0x0 0 0 kernel: (AppleSMC) Previous shutdown cause: -11