1. Department of Humanities & Sciences (Physics), VNR Vignana Jyothi Institute of Engineering and Technology, Bachupally, Nizampet (S.O), Hyderabad, Telangana 500 090, India
2. Department of Research and Innovation, STEMskills Research and Education Lab Private Limited, Princess Park, BPTP, Sector 86, Faridabad, Haryana 121 002, India
3. Centre for Nanoscience and Technology, Department of Humanities & Sciences (Physics), VNR Vignana Jyothi Institute of Engineering and Technology, Bachupally, Nizampet (S.O), Hyderabad, Telangana 500 090, India