1. Department of ECE Koneru Lakshmaiah Education Foundation 522302 Vaddeswaram AP India
2. Department of Physics National Institute of Technology Agartala 799046 Agartala Tripura India
3. Department of ECE CMR Institute of Technology 560037 Bengaluru Karnataka India
4. Department of Physics Kazi Nazrul University 713340 Asansol WB India
5. Centre for Organic Spintronics and Optoelectronics Devices Kazi Nazrul University 713340 Asansol WB India