Shahidul Islam, Judge of the Dhaka Special Court-7 handed down the verdict.
The convicts are—SI Mosaddek Hossain Khan, Manirul Islam, Sazzad Hossain, Lutfur Rahman Khan and Liton Hawladar.
The court also acquitted Alam Khan and Samuyel Boidya as allegations brought against them could not be proved.
According to the prosecution, Moin Uddin, manager of JK Sales and Company, went out to deposit Tk 18 lakh to South East Bank in Khilkhet area on February 14, 2011.
The convicts picked Moin up in a microbus and forced him to step down from the vehicle at Matikata without the money.
Moin Uddin filed a case with Khilkhet Police Station.
Police later recovered Tk 12 lakh from the convicts and seized the microbus.
On May 30, 2011, police submitted chargesheet against seven people in this connection.