The 31st death anniversary of Rear Admiral (retd) Mahbub Ali Khan, a former Navy chief and communications and agriculture minister, will be observed today. On the occasion, a doa and milad mahfil will be held at the deceased’s Dhanmondi residence, Mahbub Bhaban, after Asr prayers. BNP chief Khaleda Zia is scheduled to attend the doa mahfil with his family, her media wing member Sayrul Kabir Khan said yesterday. MA Khan, the father-in-law of BNP Senior Vice Chairman Tarique Rahman, died on this day in 1984. Besides, MA Khan Memorial Parishad will also hold milad mahfils in the UK and at the shrine of Hazrat Shahlalal in Sylhet and at the deceased’s ancestral home at Birahimpur in the district on the occasion.