1. Chemistry of Heterocycles & Natural Product Research Laboratory, Department of Chemistry, School of Advanced SciencesVellore Institute of Technology Vellore Tamilnadu India
2. Department of Chemistry, School of Advanced SciencesKalasalingam Academy of Research and Education Krishanan Kovil Tamilnadu India
3. Faculty of Chemical and Natural resources EngineeringUniversiti Malaysia Pahang Gambang Pahang Malaysia