Manna was born to Afsar Uddin Ahmed and Meher Akhter in Bogra district. He is married to Meher Nigar. He was former vice president of
Dhaka University Central Students' Union (DUCSU) and former general secretary of
Chittagong University Central Student Union (CUCSU). He is the co-founding convener of
Nagorik Oikko, a civil society platform of Bangladesh. He was arrested by the
Rapid Action Battalion on 25 February 2015, after a leaked conversation with
Bangladesh Nationalist Party (BNP) leader
Sadeque Hossain Khoka, on which he called for a stronger movement against the Bangladesh Awami League government. In the conversation he advised Khoka to seize Dhaka University dormitories. He talked with another unidentified person who suggested contacting Bangladesh Army officers to make a change in the government. The
National Human Rights Commission of Bangladesh had called for his arrest. One the other hand, Nagorik Oikko demanded his immediate release. Former Prime Minister
Khaleda Zia also demanded his release. Manna was released on bail in November 2016. ==References==