1. Department of Chemistry, CMS College Kottayam (Autonomous) (Mahatma Gandhi University), Kottayam 686001, Kerala, India
2. Department of Chemistry, Baselius College Kottayam (Mahatma Gandhi University), Kottayam 686001, Kerala, India
3. Institute for Integrated Programmes and Research in Basic Sciences (IIRBS), Mahatma Gandhi University, Priyadarshini Hills, Kottayam 686560, Kerala, India