Department of Environmental Sciences, University of Gujrat. Gujrat Pakistan

Stanford University

Professor, Dept. of Civil Engineering & Formerly Hony. Director (Research), Jamia Millia

Professor of Mechanical Engineering, Bells University of Technology Ota

Professor of Environmental Engineering

Professor - Hamadan University of Medical Science

Queen's University Belfast

Professor of Geology and Head, Department of Geology, Utkal University, India

Senior Principal Scientist and Head, Wastewater Technology Division, CSIR-NEERI, Nagpur

Scientist E,ICMR