Bachhu Mollah , his son , was elected in a March 2004 by - election .
Ahsanul Haq Mollah died in December 2003 .
Bachhu Mollah , Ahsanul Haq Mollah 's son , was elected in a March 2004 by - election .
Ahsanul Haq Mollah died in December 2003 .