Mood: The mood of the video appears to be romantic and nostalgic, with a sense of longing. The theme seems to revolve around love, relationships, and possibly patriotism given the military uniforms and the title 'Border 2'. The overall emotion evoked is warm and sentimental.

Environment: The setting of the video seems to be a mix of rural and urban landscapes, with images of couples in various environments, including outdoors with greenery, and indoors with traditional Indian attire. The presence of barbed wire and military uniforms suggests a connection to the border or a military setting.