1. Organic Chemistry Section; National Institute for Interdisciplinary Science and Technology (CSIR); Thiruvananthapuram-19 India
2. Academy of Scientific and Innovative Research (AcSIR); National Institute for Interdisciplinary Science and Technology (CSIR); Thiruvananthapuram-19 India
3. Department of Botany; University of Calicut; Calicut-35 India
4. Genetic Resource Division; Jawaharlal Nehru Tropical Botanic Garden and Research Institute; Thiruvananthapuram-562 India).