1. Department of ChemistryBirla Institute of Technology, Mesra Ranchi 835215 India
2. Department of PhysicsJadavpur University Kolkata 700032 India
3. Variable Energy Cyclotron Centre, 1/AF, Bidhannagar Kolkata 700064 India
4. Homi Bhabha National Institute, Training School Complex, Anushakti Nagar Mumbai 400094 India