1. Department of Chemistry Shivaji University, Vidya Nagar Kolhapur 416004 Maharashtra INDIA) E-mail: hangirgekar
2. Department of Chemistry Yogeshwari Mahavidyalaya Ambajogai 431517 Maharashtra (INDIA).
3. Department of Chemistry Savitribai Phule Pune University Pune University Rd Pune 411007 Maharashtra INDIA