1. Department of Chemistry, Jamia Millia Islamia, New Delhi, India
2. S.O.S in Chemistry, Jiwaji University, Gwalior, India
3. USIC, Dayalbagh Educational Institute Agra, Agra, India
4. Department of Biosciences, Jamia Millia Islamia, New Delhi, India
5. Department of Chemistry, Institute of H. Science, Dr. Bhimrao Ambedkar University, Agra, India