**Author details**

Alkadevi Verma1 , Madhulata Shukla2 and Indrajit Sinha3 \*

1 Department of Chemistry, Rewa Engineering College, Rewa, India

2 Department of Chemistry, G.B. College, Veer Kunwar Singh University, Ramgarh, India

3 Department of Chemistry, Indian Institute of Technology (Banaras Hindu University) Varanasi, India

\*Address all correspondence to: isinha.apc@iitbhu.ac.in

© 2019 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
