CHAUDDAGRAM , CUMILLA: Deputy Director of Cumilla Agricultural Extension Department Ayub Mahmud speaks at the day-long ‘Partner Field School Congress’ held at Upazila Imam Training Centre on Tuesday.

CHAUDDAGRAM , CUMILLA: Deputy Director of Cumilla Agricultural Extension Department Ayub Mahmud speaks at the day-long 'Partner Field School Congress' held at Upazila Imam Training Centre on Tuesday.