1. Indian Institute of Information Technology, Design and Manufacturing, Kancheepuram, Off Vandalur-Kelambakkam Road,Department of Physics,Chennai,India,600127
2. Vellore Institute of Technology (VIT),Division of Physics, School of Advanced Sciences,Chennai,India,600127
3. DRDO, Lucknow Road,Solid State Physics Laboratory,Timarpur,Delhi,India,110054