1. Department of Computer Science & EngineeringMaulana Abul Kalam Azad University of TechnologyBF‐142, Sector 1, Salt Lake CityKolkata700 064West BengalIndia
2. Department of Computer Science & EngineeringSwami Vivekananda Institute of Science and TechnologyDakshin Gobindapur, P.S.: SonarpurKolkata700 145West BengalIndia
3. Department of PhysicsUniversity of Western AustraliaM013, 35 Stirling Highway, CrawleyPerthWA 6009Australia