1. Department of Botany, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala, India
2. Jawaharlal Nehru Tropical Botanic Garden and Research Institute, Palode, Thiruvananthapuram, Kerala, India
3. Department of Biotechnology, University of Kerala, Kariavattom Campus, Thiruvananthapuram, Kerala, India
4. Enzyme and Microbial Biochemistry Laboratory, Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, India