1. Nitte Meenakshi Institute of Technology,Department of ECE,Bengaluru,India
2. Nitte Meenakshi Institute of Technology,Department of Physics,Bengaluru,India
3. Nitte Meenakshi Institute of Technology,Department of Mechanical Engg,Bengaluru,India
4. Indian Institute of Science,Center for Nanoscience and Engg,Bengaluru,India