1. Department of Chemistry, Quaid-i-Azam University, Islamabad, Pakistan
2. Department of Pharmaceutical Chemistry, faculty of Pharmacy, The Islamia University of Bahawalpur, Pakistan
3. Institute of Marine Biotechnology, Universiti Malaysia Terengganu, Terengganu, Malaysia
4. Dr. M. A. Kazi Institute of Chemistry, University of Sindh, Jamshoro, Pakistan
5. Department of Physics, The Government Sadiq College Women University Bahawalpur, Bahawalpur, Pakistan