1. Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata 700064, India
2. Homi Bhaba National Institute, Training School Complex, Anushakti Nagar, Mumbai 400085, India
3. Vivekananda Mahavidyalaya, Haripal, Hooghly 712405, India
4. Institute for Plasma Research, Bhat, Gandhinagar 382428, India