There have been couple of non-Western countries with politicians who are not part of local majority group. There is a white Australian who is like a governor or mayor in Papua New Guinea. Peru infamously had a dictator of Japanese-ancestry. So you get these kinds of things. If a white person wants to become an MP in India, go for it.
You’re reading too much into it. Colour ink was still expensive back then up until the late '80s to '00s. Which is why coloured photos were uncommon before, especially in the 1960s.
And before anyone suggests it, professional historians strongly discourage colouring black and white photos. This could give false impression of what the actual colour of some objects, or the subject itself in the photo.
I just Googled by the way of your claim, it turns out that the narrative is indeed hamfisted: https://eu.usatoday.com/story/news/factcheck/2020/06/20/fact-check-most-civil-rights-era-images-werent-made-color/3210472001/