1. CSIR Central Glass and Ceramic Research Institute, 196, Raja S. C. Mullick Road, Jadavpur, Kolkata-700032, India
2. School of Physical Sciences, Indian Association for the Cultivation of Science, Jadavpur, 2A and 2B Raja S.C. Mullick Road, Kolkata-700032, India
3. High Pressure & Synchrotron Radiation Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai-400085, India