Faruq alias Baset Saifullah alias Amjad, a member of the Majlis-e-Shura and chief of Dhaka and Barisal divisions of the outlawed militant outfit, was tried in absentia.

Saifullah, hails from Kaukhali upazila of the district, was also fined Tk 50,000. In default, he will have to serve five years more in jail.

According to the prosecution, the convict exploded bombs at separate places, including Pirojpur Bar Association building, with the help of his associates.

After examining the records and witnesses, Additional District and Sessions Judge Md Sadiqul Islam Talukdar pronounced the verdict.

The convict also carries 40 years imprisonment along with JMB chief Shaekh Abdur Rahman, operations commander of JMJB Siddiqul Islam alias Bangla Bhai.