1. Functional Materials Section (MSTD), National Institute for Interdisciplinary Science & Technology (NIIST), Council of Scientific & Industrial Research (CSIR), Trivandrum−695019, India
2. National Chemical Laboratory, Pune, India
3. National Institute for Cellular
Biotechnology, School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
4. Presently working at ACTC Division, Central Glass & Ceramic Research Institute, CSIR, 196 Raja S. C. Mullick Road, Kolkata−700 032, India