1. Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune, Dr. Homi Bhabha Road, Pashan Pune, Maharashtra-411008, India
2. Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore, CV Raman Rd, Bengaluru, Karnataka-560012, India
3. Department of Physics, Indian Institute of Technology Bombay, Main Gate Road, Powai, Mumbai, Maharashtra-400076, India