It's bias towards the sample set. There was a Russian researcher that made an algorithm that upscaled pixelated images and used a Russian database for it. It turned a pixelated image of Obama into a white man.
I'm curious if this Indian ad's AI is trained off a western database or an Indian one. "Colorism" is an issue in Indian and only one face looks distinctly European to me.
Girl in the back, fourth from the left. Could be the angle and hair though.