Officer-in-Charge (OC) of Natore Sadar Police Station Zahidur Rahman Chowdhury, who is also the investigation officer (IO) of the case, submitted the charge sheet to the cognizance court here.

Selim Raja of Ramshar Kazipur village in Naldanga upazila filed the case against Dulu, his two nephews and 22 BNP activists with Sadar Police Station on April 8.

In the case statement, Raja alleged that followers of Bangla Bhai and BNP activists kidnapped him and extorted Tk 32,000 from his family members at the behest of Dulu.

But the investigation officer found involvement of 11 others in the incident and included their names in the charge sheet.

Dulu has so far been charge-sheeted in eight cases.