But they aren't suppressing it for copyright reasons. According to the administration, they're removing it because it "reflected a colonial mindset" and supposedly lacks objectivity. If this was just a copyright problem, people wouldn't be getting arrested[0] and having rocks thrown at them[1] for screening legally-obtained copies.
You’re conflating two things. The BBC is indeed taking it down for copyright reasons. The Indian government is censoring it for political reasons. This post was about the former.
[0] https://indianexpress.com/article/cities/delhi/students-deta...
[1] https://www.bbc.com/news/world-asia-india-64371327