Birla Institute of Technology & Science;
Pilani - K K Birla Goa Campus;
Goa;
India;
Department of Physics;
University College of Science;
Mohan Lal Sukhadia University;
Udaipur;
India;
Indian Institute of Technology;
Guwahati;
India;
Theoretical Physics Division;
Physical Research Laboratory;
Ahmedabad;
India;