1. Department of Chemistry, Centre for Advanced Studies, Guru Nanak Dev University, Amritsar, Punjab, India
2. Department of Botanical and Environment Science, Guru Nanak Dev University, Amritsar 143005, India
3. Department of Chemistry, M.M. Engineering College, Maharashi Markandeshwar University, Mullana – 133207, India
4. School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala, Punjab, India