Additional metro sessions judges court-5 judge Md Akhtaruzzaman announced the verdict this noon.
The court also fined Tk 2 lakh each of them, and in default, they have to serve two-year imprisonment more.
Two other accused, also the engineers of Bangladesh Railway, were acquitted of the charge.
The court on February 8 fixed February 26 to deliver the verdict after completion of the argument hearing.
Jihad died after falling into a 17-inch diametre abandoned borehole near his house at Bangladesh Railway Colony at Shahjahanpur while he was playing with friends on December 26, 2014.
His body was brought out of the hole by volunteers on the following day, around 15 minutes after the fire service called off a near 23-hour search.
On December 28, the victim’s father, Nasir Uddin, filed a case in this regard.
The court on October 4, 2016 framed charges against six people including for the death.
Source: New Age