Yes. Many will deny it and say the new generation practices it less. If there is a decrease it is minimal.

It gets really bad when it is exported. See the recent HN post (or actual court case) re caste discrimination https://news.ycombinator.com/item?id=24552047.

Yes, very much. Locally in northern india higher castes like Jatt Brahmin are vocal & expressive about their higher caste. Same in central & other parts of India.

Yes. https://reutersinstitute.politics.ox.ac.uk/caste-not-dead-su... https://www.thenewsminute.com/article/dalit-family-lives-gro... https://indianexpress.com/article/cities/hyderabad/hyderabad... https://www.thenewsminute.com/article/denied-access-barbersh...?