Members of Counter Terrorism and Transnational Crime (CTTC) unit will conduct an operation at the militant den ‘Nilufa Vila’ at Gang Para area of Choto Godair Char of Madhabdi in Narsingdi.
The law enforcement agencies are taking preparation to conduct an operation at the seven-storey building.
The district administration imposed section 144 in the area from early in the morning.
People of the area were asked to shut their door and window and not to go out.
Journalists and other people were asked through miking for not to stay on roof.
Besides, all owners of shops and educational institutes were asked to close their shops and institutes.
CTTC Chief Monirul Islam said militants were asked to surrender.
The name of the owner of the den Afzal Hazi. Police suspect that there are two women and one man militans, who are staying at a flat of the seven-storey building.