1. Indian Institute of Technology Kharagpur,Quantum Materials and Device Research Lab, Materials Science Centre,Kharagpur,India
2. Indian Institute of Technology Kharagpur,Department of Physics,Kharagpur,India
3. Indian Institute of Technology,Nanoscience and Technology,Kharagpur,India
4. School of Applied Sciences, Kalinga Institute of Technology- Deemed to be University,Dept. of Physics,Bhubaneswar,India