It was disclosed on Tuesday late night through a release signed by BNP senior joint secretary general Ruhul Kabir Rizvi.
Ahsan Ullah Hasan and Kazi Abul Bashar were made general secretaries of north and south units respectively.
The partial committees were asked to complete the full-fledged committees in a month.
BNP secretary general Mirza Fakhrul Islam Alamgir approved the 66-member north and 70-member south unit partial committees.
Outgoing unified Dhaka city unit convening committee was made with Mirza Abbas as convener while Habib-un-Nabi Khan Sohel as member secretary in July 2014.