1. Indian Institute of Technology (Indian School of Mines), Dhanbad 826004, India
2. CSIR-Institute of Minerals and Materials Technology, Bhubaneswar 751013, India
3. Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
4. Tirupati Graphene and Mintech Research Centre, Bhubaneswar 751029, India