The Jammu Kashmir Students Liberation Front claimed responsibility for his kidnapping and murder.
[8] In April 2009, the Special Court, under the Terrorist and Disruptive Activities (Prevention) Act (TADA) in Jammu, acquitted those charged with Mushir-ul-Haq's murder after a trial which had lasted nineteen years.
The presiding officer ruled that one confession was inadmissible and expressed doubts about the voluntary nature of others.
[6] In honor of Mushir-ul-Haq, the Shah-i-Hamadan Institute of Islamic Studies at the University of Kashmir organized a memorial lecture on 12 June 2021.
Akhtarul Wasey, president of Maulana Azad University, spoke at the lecture.