The portrait seen in detail here  in ink and gold on paper is of Shah Jahan, emperor of this country
The Emperor 
Shah Jahan with his Son Dara Shikoh, Folio from the Shah Jahan Album ... As 
seen in this album, the single-page painting attains prominence in ... the 
scavengers are shown in profile, offering a view of their exquisitely detailed 
plumage.