1. Inorganic & Physical Chemistry Laboratory, Council of Scientific and Industrial Research (CSIR)-Central Leather Research Institute, Sardar Patel Road, Adyar, Chennai 600 020, India
2. University of Madras, Chepauk, Chennai 600005, India
3. Centre for High Computing, Council of Scientific and Industrial Research (CSIR)-Central Leather Research Institute, Adyar, Chennai 600 020, India
4. Academy of Scientific and Innovative Research (AcSIR), Gaziabad 201 002, India.