Mood: The mood of the video appears to be romantic and melancholic, with a focus on the pain of love. The use of black and white images and the title 'Chahatan Dard' which translates to 'The Pain of Love', suggests a somber and introspective tone. The overall theme seems to be a heartfelt and emotional exploration of love and heartache.

Environment: The setting of the video appears to be a nostalgic and intimate one, with a collection of old photographs and pictures of couples in various stages of love. The environment seems to be a quiet and contemplative space, possibly a room or a studio, with a focus on the emotional and personal aspects of love.