1. Department of Chemistry; G. H. Raisoni Academy of Engineering and Technology; Nagpur 440 033 Maharashtra India
2. P. G. Department of Chemistry; Rashtrasant Tukadoji Maharaj Nagpur University; Nagpur 440 033 Maharashtra India
3. Department of Applied Chemistry; Shri Ramdeobaba College of Engineering and Management; Nagpur 440 013 Maharashtra India
4. School of Chemistry and Physics; University of KwaZulu-Natal, Westville Campus, Chiltern Hills; Durban 4000 South Africa