The convicts are Md Mostafa, 52, Nahid, 25, Rejaul Haque, 35, Majnu, 39, Altaf, 25, Dhanraja, 42, Rubel, 25, Sahijul Islam, 47, Ayub Ali, 57, Monir Ahmed, 37, Morshed, 34, Ohiduzzaman, 67, Zinnah, 55, Hannan, 32, Abbas, 32, and Maksud, 37, all from Sabuj village in Ramgati upazila of Lakshmipur.
The farmer killed was Lokman, 55, of the same village.
According to the case statement, 16 men led by Mostafa swooped on farmer Lokman over a land dispute when he was sowing soya bean seeds in his field on January 21, 2009.
He was beaten up brutally. The farmer succumbed to his injuries at a hospital in Dhaka on February 10.
The next day, Abdul Gafur, brother of Lokman, filed a case with Ramgati police station accusing the 16 attackers.