The arrestees were identified as Md. Masum, 25, Md. Sharif, 3 and Md. Israfil, 22.
A team from the Jatrabari Police Station conducted a raid in the Falbazar area of Jatrabari with the help of technology and arrested the suspects, DC Media of DMP Talebur Rahman said on Saturday.
During the raid, three mobile phones and Tk 8,650, which had been extorted from the victim through blackmail, were seized from their possession, reports UNB.
A case has been filed at the Jatrabari Police Station under the Control of Pornography Act, including charges of rape, following one of the victims' complaints.
According to the police, the arrested individuals are members of an organised gang.
They trap women through various social media or apps and rape them and record the videos.
Later, they threaten to spread the recorded videos on social media, including to their families, and later rape them again at different times according to their demands and extort a huge amount of money.
Masum has confessed to 16 such incidents so far. The suspects have been sent to court.
"The investigation into the case and operations to arrest others involved in the incident are ongoing," the police official added.