1. P.G., Department of Chemistry, Badrinarayan Barwale College, Jalna - 431213, Maharashtra, India and Affiliated to Dr. Babasaheb Ambedkar Marathwada University, Aurangabad.
2. Department of Chemistry, Institute of Science, Nagpur - 440012, Maharashtra, India and Affiliated to Rashtrasant Tukadoji Maharaj University, Nagpur.