Computer Science and Engineering Institute of Technology-248007;
Chitkara University Institute of Engineering and Technology University;
Research and Innovation University;
Department of Computer Science&IT Rohilkhand University;
Computer Science and Engineering Professional University;
Higher Polytechnic School Europea del Atlántico;
Faculty of Computing and Information Technology Abdulaziz University Arabia;
Universidad Internacional Iberoamericana;
Universidade Internacional do Cuanza Bairro Kaluanda 250.Angola;
COVID-19; lockdown; stress analysis; depression analysis; sentiment analysis; social media; COVID-19 twitter dataset; CORONAVIRUS;