Mood: The mood of the video appears to be melancholic and introspective, with a sense of longing and nostalgia. The theme seems to revolve around love, heartbreak, and possibly regret, given the title 'Gustaakh Ishq' which translates to 'Blasphemous Love'. The overall emotion conveyed is somber and contemplative.

Environment: The setting appears to be a mix of modern and traditional Indian architecture. The images in the background suggest a blend of urban and possibly rural or historical settings, with a glimpse of a building that could be a mosque or a similar structure. The overall ambiance seems to be dimly lit, adding to the melancholic mood.