A proponent of anti-colonial movements, Khan has engagements in the regional political economy and culture from a
Lacanian-Marxist perspective. A critic of Western interventionism, Salimullah Khan analyzes Western thought and discourse through critical scrutiny of the colonial and imperial legacy of the West. From this perspective, he has written on the works of
Charles Baudelaire,
Walter Benjamin,
Michel Foucault,
Frantz Fanon,
Claude Lévi-Strauss,
Edward Said,
Aime Cesaire,
Talal Asad and many others. Since 1997, his engagement with Freud and Lacan has made him use psychoanalysis to explore Bangladesh's politics and culture, as well as international issues. He also wrote two books on
Freudo-Lacanian philosophy:
Freud Porar Bhumika, and
Ami Tumi She. Critiques Khan's first book
Bangladesh: Jatiyo Obosthar Chalchitro (1983) was a critique of
Abdur Razzaq's famous lecture:
Bangladesh: State of the Nation. Upon publication, it came under censure of
Ahmed Sofa. Salimullah Khan wrote on
Lalon Shah,
Ramaprasad Chanda,
Jasimuddin,
Roquia Sakhawat Hussain,
Ahmed Sofa,
Abul Hasan,
Tareque Masud and some of his contemporaries. Khan views
Kazi Nazrul Islam as an
anti-colonial and democratic thinker cherished dearly by the people of Bengal. His book
Ahmed Sofa Shanjibani provides an expansive assessment of the works of
Ahmed Sofa. It established him as the leading expert on Sofa. He also edited a collection of writings by Ahmed Sofa on Rabindranath Tagore. In a 2011 debate arranged by bdnews24.com, Khan critiqued the portrayal of the Bangladesh Liberation War in the film
Meherjaan. == Political views ==