1. Department of Chemistry Indian Institute of Technology Ropar, Roopnagar Punjab 140001 India
2. Department of Chemistry Panjab University Chandigarh 160014 India
3. Department of Applied Sciences & Humanities Jawaharlal Nehru Govt. Eng. College Sundernagar 175018 India
4. Department of Chemistry Yonsei University Wonju 26493 Republic of Korea