How did you decide on the cover photo for the movie Lion?

The marketing team of a movie decide what the post is going to be and sometimes they get a studio shoot with the actors. They also use photos taken during the making of the movie to form the poster if it better conveys the story and attracts more viewers.
 
Transcript: "Hi, it's the marketing team on a movie who decide what the post is going to be? Sometimes they get me to do a studio shoot with the actors. According to the concepts, they have another times like on this on Lion they used a couple of steals a couple of photographs I shot during the making of the movie to form the poster because they decided that was the best way to tell the story and attract the largest number of people to watch it. Thank you."