1. Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), SASTRA Deemed University, Thanjavur, Tamil Nadu 613 401, India
2. School of Electrical & Electronics Engineering, SASTRA Deemed University, Thanjavur, Tamil Nadu 613 401, India
3. Department of Computer Science, Birla Institute of Technology & Science, Pilani Dubai Campus, Dubai International Academic City, Dubai 345055, United Arab Emirates