Dr Pradeep Pratap Singh is currently working as an Assistant Professor in the Department of Chemistry, Swami Shraddhanand College, University of Delhi. He did his M.Phil. and Ph.D from the Department of Chemistry, University of Delhi. He has published 9 papers in lnternational journals and 14 chapters in lnternational books.

Dr Ambika is currently working as an Assistant Professor in the Department of Chemistry, Hansraj College, University of Delhi. She did her M.Sc. and Ph.D from the Department of Chemistry, University of Delhi. She has published 9 papers in lnternational journals, 15 chapters in lnternational books and 2 research projects to her credit.

Explores UV-Visible, IR, 1H NMR, 13C NMR, and mass spectrometry along with spectroscopic solutions for structural problems. The book covers the basic theory, instrumentation and the structure-spectra correlations of the major spectroscopic techniques.