1. Department of ChemistryUniversity of DelhiFaculty of ScienceNorth Campus Delhi - 110007
2. ONGC Base officeRajahmundry 533106 Andhra Pradesh India
3. Department of Applied ChemistryGraduate School of EngineeringHiroshima University 1-4-1 Kagamiyama 739-8527, Higashi-Hiroshima Japan
4. Jacobs UniversityDepartment of life Sciences and Chemistry Campus Ring -1 28759 Bremen Germany