1. Department of ChemistryUniversity College of ScienceSaifabad, Osmania University, Hyderabad Telangana 500004 India.
2. Department of ChemistryJawaharlal Nehru technological University college of engineering, Hyderabad Telangana 500085 India.
3. Department of Research and DevelopmentMSN R&D centre, Pashamylaram Medak Telangana 502307 India.
4. Department of ChemistryCMR Engineering College, JNTUH, Hyderabad Telangana 501401 India.
5. Department of Chemistry Nizam CollegeOsmania University Hyderabad Telangana 500004 India.