Banaji responds to Karat - Stalin’s Ghost Won’t Save Us from the Spectre of Fascism:

While all authoritarianisms are not fascist, all fascisms are a form of authoritarianism. What is distinctive about fascist authoritarianism is its appeal to forms of mass mobilisation and attempt to create sources of legitimacy among ‘the masses’ – through cultural (e.g. pseudo-religious) and ideological domination [. . .]

https://www.sabrangindia.in/article/stalin%E2%80%99s-ghost-won%E2%80%99t-save-us-spectre-fascism-response-prakash-karat