1. Materials Research Laboratory Department of Chemistry; Jamia Millia Islamia; New Delhi-25 India
2. Inorganic Materials Research Laboratory; Department of Chemistry; Jamia Millia Islamia New Delhi-25, India
3. Division of Inorganic Chemistry; Department of Chemistry; Aligarh Muslim University Aligarh, India
4. Department of Pharmaceutical Chemistry; College of Pharmacy; Umm Al-Qura University Makkah, Kingdom of Saudi Arabia