1. Department of Physics, Sri Sankara Arts & Science College (Autonomous), Kanchipuram, India
2. School of Electrical Engineering, Department of Energy and Power Electronics, Vellore Institute of Technology, Vellore, India
3. Department of Instrumentation and Control Engineering (Autonomous), Sri Manakula Vinayagar Engineering College, Puducherry, India
4. Department of Physics, CMR Institute of technology, Bengaluru, India
5. Department of Physics, KPR Institute of Engineering and Technology (Autonomous), Coimbatore, India