India needs to address Bangladesh's longstanding concerns to improve bilateral ties between Dhaka and New Delhi, Hossain said adding: Bangladesh's previous (ousted) government addressed the concerns of India, but India did not address Bangladesh's concerns.
The young attacker was Abir Rahman, a North South University student who had been missing for the past eight months.
Police said five terrorists who carried out the attack on Gulshan cafe on July 1 had taken shelter in the flat owned by Ahsan.
All educational institutions in the country will give lists of students who have been absent for over 10 straight days.
Seven university students and chief of a banned Islamist group were charged for the murder of an atheist blogger in 2013.
'The sooner we understand and accept this current situation as the new normal, the better,' advises Major Mohammed Ali Shah (retd).
The attackers were from well-known schools with Western curriculum for the children of the well-to-do in the city, not from any of the madrassas that are often termed as breeding grounds for militants.
Acting deputy vice chancellor of a private university has been arrested in Dhaka along with two others for sheltering militants who carried out Bangladesh's worst terror attack at a cafe in which 22 people were killed by suspected Islamic State militants.
'My son used to pray five times a day from a young age. But we never imagined this. There was nothing at home, no books or anything to indicate he was leaning that way, So we had no inkling,' he said.