Mood: The mood of the video appears to be romantic and carefree, with a youthful vibe. The theme seems to revolve around a relationship or friendship, with the title 'Zindagi Bhar Tera Saath' suggesting a lifelong companionship. The overall emotion conveyed is lighthearted and joyful.

Environment: The setting seems to be an urban or graffiti-filled environment, with a brick wall serving as the backdrop. The wall's painted design and the couple's casual attire suggest a modern, possibly youthful or artistic setting.