Prof (Dr) Aftabuz  Zaman worked as Head, Irrigation Expatriate Team, Government of Uganda for 2-year period (1994-1996) under ITEC Programme being deputed by the Government of India to design, lay out and installation of famers managed small scale irrigation for sustainable crop cultivation. He was also designated as IFFCO-Chair Professor. He published more than 110 research publications and 179 publications in the proceedings of national and international seminars and conferences held in the country and abroad. He guided and supervised 7 (seven) Ph D and at least 50 (fifty) students towards post graduate thesis work. He worked as Programme Coordinator, West Bengal Accelerated Development of Minor Irrigation Project (World Bank) (20 Sep 14 to 2 Sep 16).