Mood: The mood of the video appears to be romantic and intimate, with a sense of closeness and togetherness between the two leads. The theme seems to revolve around love and relationships, with the title 'Aaj Mere Saath Sirf Tum Ho' suggesting a desire for the presence of a loved one. The overall emotion conveyed is warm and sentimental.

Environment: The setting of the video seems to be outdoors, possibly during a sunset or a romantic evening, given the soft pink and blue hues in the background. The atmosphere appears relaxed and casual, with the two leads dressed in everyday attire, suggesting a quiet, personal moment between them.