Thank you for the reply.
Initially I was trying to run on my own Volume scout but since it was not showing the scout time series after trying hard for 3 days with all possible ways, I tried to copy the script on the tutorial simulations code from here and ran.(brainstorm3/toolbox/script/tutorial_simulations.m at master · brainstorm-tools/brainstorm3 · GitHub)
But it was not showing me the scout time series as well.
I know I am missing something here as the scouts were saving as surface scout but not volume scout. I do not know why it is saving as surface scout.
Here is the screenshot and the MATLAB command output.
Thanks,
MMukherjee