1. Department of Chemistry School of Chemical and Life Sciences Jamia Hamdard Hamdard Nagar New Delhi India
2. Delhi Pharmaceutical Sciences and Research University (DPSRU) Pushp Vihar, M. B. Road New Delhi 110017 India
3. Department of Physical and Environmental Sciences Texas A&M University-Corpus Christi Corpus Christi TX 78412 USA
4. Theory and Simulation laboratory, Department of Chemistry Jamia Milia Islamia Jamia Nagar New Delhi India