The militants - identified as Mohmmad General Islam (25), Rasul Boksh (50) and Islam (70) - were taken into custody in Bablabona area of the district, said elite Rapid Action Battalion Commander Squadron Leader Sayeed Abdullah Al Murad.
"The detainees are members of the Jamiat-ul Mujahideen Bangladesh Sarwar-Tamim group," Murad was quoted as saying by the Bdnews24.
He said that weapons and explosives were seized from the suspects during the raid.
The Neo-JMB, blamed for the Dhaka cafe attack, is said to be inclined to the ISIS terror group.
Since the cafe attack, Bangladesh security fores have killed about 70 suspected militants in raids and shootouts aimed at neutralising the terror group and its leadership.