1. Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh-221005, India
2. Department of Physics, Institute of Science, Banaras Hindu University, Varanasi, Uttar, Pradesh-221005, India
3. Department of Chemistry, CMP Degree College, Prayagraj, Uttar Pradesh-211002, India
4. Department of Chemistry, Indian Institute of Technology, Bombay-400076, India
5. Phytochemistry Division, CSIR-Central Institute of Medicinal and Aromatics Plants (CSIR-CIMAP), Lucknow-226015, India