**Author details**

Rakesh Kumar<sup>1</sup> \* and Sangeeta Obrai<sup>2</sup>

1 Department of Chemistry, MCM DAV College, Kangra, Himachal Pradesh, India

2 Department of Chemistry, Dr. B.R. Ambedkar National Institute of Technology, Jalandhar, Punjab, India

\*Address all correspondence to: rakesh\_nitj@yahoo.co.in

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