1. Center for Biomedical Engineering Indian institute of Technology Ropar, Roopnagar Punjab 140001 India
2. Department of UCRD Chandigarh University, Ghraun Mohali, 140413 India
3. Department of Physics Indian institute of Technology Ropar Roopnagar, Punjab 140001 India
4. Department of Chemistry Indian institute of Technology Ropar Roopnagar, Punjab 140001 India