Those remanded are Nabirul Islam and Santu Kumar.
Judge Shishir Kumar Basu of Dinajpur Chief Judicial Magistrate of Amoli Adalat no-7 passed the order on Saturday after they were produced before the court by the investigation officer of the case seeking a 10-day remand.
Meanwhile, the case was handed over to the Detective Branch (DB) of police in the afternoon from Ghoraghat police station.
Ghoraghat police inspector Mominul Islam was investigating the case from the beginning. Now, Dinajpur DB Police Officer-in-Charge Imam Zafar has been made investigation officer of the case.
Law enforcers have so far arrested five people, including the prime suspect, in the case.
The rest three arrestees are key suspect Asadul Haque, 35, son of Amzad Hossain of Osmanpur in the upazila, his accomplices Asadul Haque, 35, son of Amzad Hossain and Jahangir Hossain, son of Abul Kalam.
Wahida Khanam was seriously injured in an attack by miscreants at her home on the Upazila Parishad premises early Thursday.
Her father was also injured in the gruesome attack. They were taken to Rangpur Medical College and Hospital.
Later, the UNO was airlifted from Rangpur to Dhaka by a Bangladesh Air Force MI-171SH helicopter.
She is now undergoing treatment at the National Institute of Neurosciences & Hospital in Dhaka.
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