A machine worth Tk 47 lakh has been stolen from a highly secured lab of the Rampal Power Plant.
The machine was a bomb calorimeter which is used to measure the calorific value of coal.
Md Oliullah, manager (security and administration) of the plant, filed a case against unidentified people on January 16 in this connection.
Mohammad Shamsuddin, officer-in-charge of Rampal Police Station, said they were interrogating suspects as part of the investigation into the case.
According to the case statement, the device was on the table when chemist Abdul Maleque closed the lab at 6.00 pm on January 14. Maleque left after handing the key to employee Musa Parvez and asking him to give it to technicians Md Saddam Hossain and Tanvir Rahman. Later Md Saddam Hossain and Md Masum Billah took charge and continued their duty till the morning of January 15. But cleaner Abdul Noman did not find the device on the table at 9 am and informed the high officials.