Prime Minister's Military Secretary Major General Mia Mohammad Zainul Abedin passed away on Tuesday evening. He was 59.
He breathed his last at Mount Elizabeth Hospital in Singapore around 5:13pm (Bangladesh time) while undergoing treatment.
The matter was disclosed on the website of Inter Services Public Relations Directorate (ISPR).
Prime Minister Sheikh Hasina expressed her deep shock and sorrow to the death of Zainul Abedin.
Foreign Minister Dr AK Abdul Momen also mourned and prayed for salvation of his departed soul.