1. Center for Nonlinear Dynamics, Bharathidasan University, Tiruchirappalli 620024, Tamilnadu, India
2. Department of Physics, Anjalai Ammal Mahalingam Engineering College, Kovilvenni 614403, Tamilnadu, India
3. Chaos and Complex Systems Research Laboratory, Department of Physics, University of Burdwan, Burdwan 713 104, West Bengal, India