Mood: The mood of the video appears to be melancholic and introspective, with a hint of mystery. The dark background and the protagonist's facial expression evoke a sense of contemplation and possibly even despair. The theme seems to be related to heartbreak or longing, which is a common thread in many Indian music videos and films.

Environment: The setting of the video seems to be a dark and possibly urban environment, with bare tree branches visible in the background. The protagonist is dressed in a coat and hoodie, suggesting a cold or autumnal setting, which is also hinted at by the title 'October'. The overall aesthetic is muted and subdued, with a focus on dark colors and moody lighting.