Mood: The mood of the video appears to be melancholic and contemplative, with a sense of longing or despair. The theme may revolve around friendship, road trips, or a journey of self-discovery. The title 'So Gaya Yeh Jahan' translates to 'This World Went Away', which suggests a sense of loss or disillusionment.

Environment: The environment appears to be a car, likely at night or in a dimly lit setting. The interior of the car is visible, with the dashboard and seats partially shown. The dark background and the men's expressions create an intimate and somber atmosphere.