Mood: The mood of the video appears to be melancholic and introspective, with a hint of longing. The theme seems to revolve around heartbreak, lost love, and possibly regret, as suggested by the title 'Tujhe Bhula Diya' which translates to 'I have forgotten you' or 'I have let you go'. The overall emotion conveyed is one of yearning and reminiscence.

Environment: The setting of the video seems to be outdoors, possibly in a hilly or mountainous region with a scenic view in the background. A vintage car is visible, and the presence of a hat and the attire of the individuals suggest a casual, laid-back environment. The scene might be set during the daytime, given the bright lighting.