Professor, Dept. of Chemistry, Jadavpur University, Kolkata, Indialcutta

Danish Polymer Centre, DTU Chemical Engineering

Associate Professor, Universiti Putra Malaysia

Assistant Professor, Department of Chemistry, SHiv Nadar University, India

Professor, Analytical Chemistry, Regensburg University-Germany, Qassim University, KSA.

Research Assistant Professor, Department of Chemistry, The University of Tokyo

Profesor Ayudante Doctor, Universidad Autónoma de Madrid

Senior Research Fellow, The University of Burdwan

Assistant Professor, Ghani Khan Choudhury Institute of Engineering and Technology

Postdoctoral Fellow, Southern Methodist University, United States