1. a Department of Chemistry, Sri Krishnadevaraya University, Anantapur, India
2. b Department of Chemistry, Sri Krishnadevaraya University, Anantapur, India
3. c Department of Polymer Science and Technology, Sri Krishnadevaraya University, Anantapur, India
4. d Department of Polymer Science and Technology, Sri Krishnadevaraya University, Anantapur, India
5. e Department of Chemistry, Sri Krishnadevaraya University, Anantapur, India;, Email: mcssubha3@gmail.com