1. Department of Chemistry; V. O. Chidambaram College; Thoothukudi India
2. Institute of Chemistry, Academia Sinica; Taipei Taiwan
3. Department of Chemistry, Aditanar College of Arts and Science; Tiruchendur India
4. Department of Chemistry, Bannari Amman Institute of Technology; Sathyamangalam India
5. Postgraduate and Research Department of Chemistry, Vivekananda College, Tiruvedagam West - 625 234 Madurai India