I don't like using the BBC, but for a general overview of Churchill controversies you can check out this article.

The 10 greatest controversies of Winston Churchill's career - BBC News

Google has all sorts of links to info about the Indian genocide. It wasn't just Churchill as the British frequently imposed genocide upon the Indians. The usual story of occupation for profit and starve the local population if so desired. Despicable man.

Winston Churchill to blame for Bengal famine: Book - The Times of India

The Bengal Famine: How the British engineered the worst genocide in human history for profit