1. Research and Development Center, Bharathiar University, Coimbatore, Tamilnadu, India
2. Department of Chemistry, GGHSS, Uthiramerur Kanchipuram, Tamilnadu, India
3. Department of Chemistry, St.Joseph's College of Engineering, Chennai, Tamilnadu, India
4. Department of Chemistry, Pachaiyappa's College for Men, Kanchipuram, Tamilnadu, India