Universitat Siegen, Germany
Korea Advanced Institute of Science and Technology
Indian Institute of Technology Kharagpur
AvH foundation, Bonn, Germany
AvH foundation, Bonn, Germany
Dr. Bhaskar Sen, North Eastern Hill University
Dr. Sanjoy Kumar Sheet, NEHU
Dr. Bhaskar Sen, North Eastern Hill University
Dr. Sanjoy Kumar Sheet, NEHU
Life member
Life member
Annual (2007 -2009)
Life member
Life member
Annual (2007 -2009)