1. Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology, Industrial Estate, Thiruvananthapuram – 695 019, Kerala, India
2. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh – 201 002, India
3. Department of Physics, Central University of Kerala, Thejaswini Hills, Periye, Kasaragod – 671316, India