The two were arrested during a police raid at a militant den in Dhaka's Ashkona near Dakkhinkhan area on December 24.
The remanded are Jebennuhar alias Shila, 34, wife of major Jahidul Islam who was killed in an earlier raid, and Trisha Mani alias Umme Aysha, 22, wife of fugitive militant Maynul Islam alias Musa.
The two women surrendered to law enforcers during the December 24 raid.
Dhaka Metropolitan Magistrate Satyabrata Shikdar passed the order when Md Sayedur Rahman, investigation officer of the case and inspector of CTTC unit, produced them before the court, seeking a 10-day fresh remand.
The court also directed the investigation officer to submit a probe report before the court by January 17 in the case.
Case filed against eight militants
On Sunday, SI Shahinur Islam of DMP's CTTC unit filed a case with Dakkhinkhan police against eight suspected militants in connection with the Ashkona raid.
The case was filed under sections 6(2)/7/8/9/10/12/13 of the Anti-Terrorism Act. The accused include Shakira alias Tahira Afif Quaderi alias Ador, Trisha Moni alias Umme Ayesha, Jebunnahar Shila, Samina, Maynul Islam Musa, Rashedur Rahman, Salim and Firoz.
Two suspected extremists, including Shakira alias Tahira – wife of absconding militant Sumon, were killed and a seven-year-old girl who is the daughter of slain extremist Iqbal was injured during the police raid named “Operation Ripple 24” on December 24.
The CTTC unit conducted the raid at a house in Ashkona's Purba Para area near Dakkhinkhan which led to the capture of female militants Jebunnahar Shila and Trisha along with two children.