1. Department of Chemistry, National Institute of Technology Karnataka (NITK) Surathkal, Mangalore 575025, Karnataka, India
2. Department of Physics, National Institute of Technology Karnataka (NITK) Surathkal, Mangalore 575025, Karnataka, India
3. Center for Interdisciplinary Sciences, Tata Institute of Fundamental Research (TIFR), Hyderabad 500046, Telangana, India