1. Department of Botany, Guru Ghasidas Vishwavidyalaya, (A Central University), Bilaspur (C.G.), Chhattisgarh, India
2. Department of Environmental & Energy Engineering, Yonsei University, Wonju, Republic of Korea
3. Department of Civil & Environmental Engineering, Hanyang University, Seoul, Republic of Korea
4. Department of Chemistry, L.B.S. College, Baloda (Janjgir-Champa) (C.G.), Chhattisgarh, India