1. Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC Campus, Ghaziabad 201002, Uttar Pradesh, India
2. CSIR-National Physical Laboratory, Dr. K. S. Krishnan Road, New Delhi 110012, India
3. Lajpat Rai College, Sahibabad, Ghaziabad 201005, Uttar Pradesh, India