1. Department of Chemistry Netaji Subhas University of Technology, Dwarka Delhi 110078 India
2. Department of Chemistry Baba Mastnath University, Rohtak Haryana 124021 India
3. Department of Chemistry University Center for Research & Development Chandigarh University, Mohali Punjab 140413 India
4. Department of Chemical Engineering IIT Delhi New Delhi-110016 India
5. Department of Chemistry Motilal Nehru College University of Delhi New Delhi 110021 India