Mood: The mood of this video appears to be romantic and melancholic. The title 'Pehle Pyaar ka pehla gham' translates to 'The first sorrow of first love', indicating that the video may explore the pain and longing associated with a past love. The overall theme seems to be a nostalgic and emotional reflection on a past relationship.

Environment: The environment or setting of the video is not explicitly shown, but based on the promotional material, it appears to have a contemporary and possibly urban or indoor setting. The teal background and the couple's attire suggest a modern and stylish aesthetic.