1. Department of Applied Science & Humanities, Energy Conversion & Storage Lab Rajkiya Engineering College Banda, AKTU Banda Uttar Pradesh India
2. Department of Chemistry, Deshbandhu College University of Delhi New Delhi India
3. Centre for Nanoscience and Technology, Prof. Rajendra Singh (Rajju Bhaiya) Institute of Physical Sciences for Study and Research Veer Bahadur Singh Purvanchal University Jaunpur Uttar Pradesh India