In January 2010, Islam stopped a bus robbery along with his bodyguard and driver after he heard passengers screaming from the bus in Dhaka near Asad Gate. In 2011, he was awarded the President Police Medal. He was elected joint secretary of the
Bangladesh Police Service Association. He was promoted to superintendent of police in April 2012. In December 2012, Islam arrested Bhola District Judge Javed Imam with
Phensedyl, an illicit cough syrup. Metropolitan Magistrate MA Salam of Dhaka Judges Court summoned Islam and four other police officers for presenting Javed Imam to the media. Justices
AHM Shamsuddin Choudhury Manik and
Farid Ahmed of the
Bangladesh High Court ordered Islam's withdrawal. Islam, then the deputy commissioner of Ramna Zone of Dhaka Metropolitan Police, blocked all traffic on roads to the
University of Dhaka after students vandalized vehicles following the death of a fellow student in a road accident. In January 2013, Islam was appointed superintendent of police of Narayanganj District. In June 2013,
Bangladesh High Court asked Islam why the
Tanvir Mohammad Toki murder case should not be transferred to
Rapid Action Battalion from Narayanganj Police. Islam was transferred out of the post of superintendent of police of Narayanganj District after the
Seven Murders of the Narayanganj in April 2014 and was criticized for his role. Islam, deputy commissioner of Wari Division of the Dhaka Metropolitan Police was included in an investigation committee led by additional deputy commissioner (crimes and ops) Mainul Hoque of the Dhaka Metropolitan Police Commission in January 2016. The committee was formed to investigate the assault of
Dhaka South City Corporation employee Bikash Chandra Das by
Jatrabari Police Station sub-inspector Arshadul Islam Akash. Islam, superintendent of police of Mymensingh District, apologized to the
International Crimes Tribunal-1 in February 2017. He had been accused of negligence of duty for failure to inform the tribunal that Wazuddin, fugitive accused of war crimes, had died leading to a posthumous conviction. On 23 October 2022, Islam was appointed the deputy inspector general of Dhaka Range replacing
Habibur Rahman who was appointed head of the tourist police. Islam paid tribute to
Sheikh Mujibur Rahman at his mausoleum in
Tungipara after his appointed to the post of DIG. In December 2023, he was part of the Bangladesh Police operation to detain five thousand activists of the opposition Bangladesh Nationalist Party. == Personal life ==