1. Koneru Lakshmaiah Education Foundation, Vaddeswaram, Andhra Pradesh, India
2. Department of Mathematics, GRIET, Hyderabad, Telangana, India
3. Institute of Heat Power Engineering, Kazan State Power Engineering University, Kazan, Russia
4. Peter the Great St. Petersburg Polytechnic University, Saint Petersburg, Russian Federation
5. Lovely Professional University, Phagwara, Punjab, India
6. Uttaranchal University, Dehradun, India