Mood: The mood of this video appears to be energetic and lively, suggesting a fun and upbeat mashup of songs. The theme seems to be a music mashup, likely featuring a blend of popular Indian songs from 2013. The overall emotion evoked is excitement and anticipation for an engaging music experience.

Environment: The setting of the video is likely a dark or dimly lit space with flashing lights, creating a vibrant and dynamic atmosphere. The background resembles a wall or board with numerous light bulbs or spotlights, adding to the energetic ambiance.