1. Department of Computer Science & EngineeringMaulana Abul Kalam Azad University of TechnologyBF‐142, Sector 1, Salt Lake CityKolkata 700 064West BengalIndia
2. Department of Electronics & Communication EngineeringB. P. Poddar Institute of Management & TechnologyPoddar Vihar, 137, V. I. P. RoadKolkata 700 052West BengalIndia
3. Department of Computer Science & EngineeringSwami Vivekananda Institute of Science and TechnologyDakshin Gobindapur, P.S.: SonarpurKolkata700 145West BengalIndia
4. Department of PhysicsUniversity of Western AustraliaM013, 35 Stirling Highway, CrawleyPerth 6009WAAustralia