[2] In September 2012, Islam and Justice Hasan Foez Siddique questioned the government's failure to increase the retirement age of teachers who were veterans of Bangladesh Liberation War despite issuing a gazette notification on 31 December 2009 to do so.
[5] Islam was made a permanent judge of the High Court Division on 7 October 2013.
In August 2015, Islam and Justice Naima Haider ordered the government to send detained Bangladesh Nationalist Party politician Rizvi Ahmed to hospital.
[7] Islam and Justice Bhabani Prasad Singha upheld the verdict of the Narayanganj Seven murder case committed by members of Rapid Action Battalion in August 2017 while also defending the law enforcement agency in their verdict.
[8] In September 2021, Islam and Justice K. M. Zahid Sarwar in a verdict declared that the lower courts violated the rules by placing Pori Moni in police custody multiple times for questioning.