Mood: The mood of the video appears to be romantic and upbeat, with a hint of youthful energy. The theme seems to revolve around friendship and love, as suggested by the title 'Tera Yaar Hoon Main' which translates to 'I am your friend'. The overall emotion conveyed is lively and cheerful, likely to appeal to a young audience.

Environment: The setting of the video seems to be a dimly lit indoor location, possibly a nightclub or a private party, given the purple hue in the background. The environment appears to be vibrant and lively, with the three main characters posing together, suggesting a close relationship.