1. Department of Physics National Institute of Technology Tiruchirappalli Tamil Nadu India
2. Department of Chemistry National Institute of Technology Tiruchirappalli Tamil Nadu India
3. Department of Physics National Institute of Technology, Puducherry Karaikal Puducherry India
4. Department of Applied Physics Indian Institute of Technology Dhanbad Jharkand India
5. Centre for Nonlinear Science and Engineering (CeNSE) SASTRA Deemed to be University Thanjavur Tamil Nadu India