Mood: The mood of the video appears to be melancholic and nostalgic, with a sense of longing. The theme seems to revolve around a past relationship or a missed opportunity, as hinted by the title 'Kahin Mat Jaana' which translates to 'Don't Go'. The overall emotion exuded is one of yearning and possibly regret.

Environment: The setting of the video appears to be inside a vehicle, likely a car or a bus, given the window frame and the curtains visible in the background. The bright light outside the window suggests that the scene is set during the daytime, possibly during a journey or a moment of solitude.