Khan was a member of a citizens probe committee led by Anu Muhammad and formed in October 2015 to investigate leak of questions for medical college entrance exams.[5]
In July 2018, Bangladesh Chhatra League activists assaulted Khan when he tried to protect students demonstrating for quota reform from the Bangladesh Chhatra League.[6] Students protested the attack on Khan and other faculty members.[7] In August 2021, he signed a statement criticizing the harassment of Asif Nazrul by activists of Bangladesh Chhatra League.[8]
Khan was appointed a member of the University Grants Commission along with professor M. Anwar Hossen in September 2024.[9]
Khan signed a statement calling for the release of baul singer Shariat Sarkar who had been detained under the Digital Security Act, 2018 for allegedly harming religious sentiments.[10] He has been critical of the Digital Security Act.[11] In September 2023, Khan signed a statement with 47 other academics calling on the government of Bangladesh to release Adilur Rahman Khan and ASM Nasiruddin Elan.[12] He has been critical of the University of Dhaka as a member of the University Teachers' Network in January 2024.[13] He has criticized student politics.[14] He signed a statement criticizing calls for the shut down of the daily Prothom Alo.[15]