1. School of Chemical Sciences Mahatma Gandhi University Kottayam Kerala India- 686560
2. Department of Chemistry Sree Narayana College Kannur Kerala India- 670611
3. Organic Chemistry Division National Chemical Laboratory (CSIR-NCL) Pune Maharashtra India- 411008
4. Institute for Integrated Programmes and Research in Basic Sciences (IIRBS) Mahatma Gandhi University Kottayam Kerala India- 686560