1. Department of Chemistry Gauhati University 781014 Guwahati Assam India
2. Department of Chemistry Behali Degree College Borgang 784167 Biswanath Assam India
3. Solid State and Structural Chemistry Unit Indian Institute of Science 560012 Bengaluru India
4. Faculty of Chemistry University of Warsaw 1 Psteura Street 02-093 Warsaw Poland