Dr. Ray Best Scientific Article Award 2015 given by Confederation of Horticulture Association of India for the original article "Induction and Field performance of in vitro microrhizomes of turmeric ( Curcuma longa L.) for production of disease free planting material". International Journal of Innovative Horticulture 3(2), 142-150. 

International Seminar on "Plant Systematics: Present Status and Future Prospects"  funded by  (SERB), Botanical Survey of India (BSI), National Biodiversity Board &KSCSTE on 15-17 February 2024 at Calicut university. 

International seminar on ‘Modern Perspectives in Biological Sciences’ from 28.2.2023 to 06.03.2023.

One day National Level Training workshop on Inclusive Education, Diversasia Toolkit and AI in Education on 24.08.2023.

One day Orientation Programme for Faculty Members of Sree Krishna College, Guruvayur at KILA on 22.07.2023

Online Faculty Induction Programme of UGC Human Resource Development Centre at ALIGARH MUSLIM UNIVERSITY, ALIGARH held from 17 July 2021 to 24 August 2021

Online Refresher Course on "Drug Discovery and Novel Drug Development - Analytical
Interpretation of Research Data" held at UGC-HRDC, JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY, HYDERABAD from 13/02/2023 to 27/02/2023

Nirmal Babu K, Geetha SP, Anu A, Minoo D and Sumathi V. 2007. Cell biology of Plant cultures and 
Development In R. Keshavachandran and KV Peter et al (eds.) Plant tissue Culture and Gene Transfer for Crop Improvement Orient Longman New Delhi, Pp.16 – 44.

Yamuna G, Sumathi V, Praveen K, Swapna N and Nirmal Babu K. 2007. Cryopreservation of in vitro grown shoots of ginger (Zingiber officinale Rosc). Cryoletters 28(4), 241-252.

Nirmal Babu K, Minoo D, Geetha SP, Sumathi V and Praveen K. 2007. Biotechnology of Turmeric and Related Species. In Turmeric The Genus Curcuma Ed. Ravindran PN Nirmal Babu K and Srinivasan. Medicinal and Aromatic Plants- Industrial Profiles CRC Press. Taylor and Francis Group. Pp. 107-127

Sumathi V, Geetha SP, Minoo D, Smitha S and Nirmal Babu K. 2015. Induction and Field performance of in vitro microrhizomes of turmeric (Curcuma longa L) for production of disease-free planting material. International Journal of Innovative Horticulture 3(2), 142-150.

K. Nirmal Babu, Minoo Divakaran, Geetha S. Pillai, V. Sumathi, K. Praveen, Rahul P. Raj, H. J. Akshita, P. N. Ravindran, and K. V. Peter. 2016. Protocols for In Vitro Propagation, Conservation, Synthetic Seed Production, Microrhizome Production, and Molecular Profiling in Turmeric (Curcuma longa L.) Pp387-401. In SM Jain (Ed), Springer Protocols, Methods in Molecular Biology 1391, Protocols for In Vitro Cultures and Secondary Metabolite Analysis of Aromatic and Medicinal Plants, (Second Edition) Springer, USA

K. Nirmal Babu, K. Samsudeen, Minoo Divakaran , Geetha S. Pillai ,V. Sumathi , K. Praveen , P.N. Ravindran , and K.V. 2016. Peter Protocols for In Vitro Propagation, Conservation, Synthetic Seed Production, Embryo Rescue, Microrhizome Production, Molecular Profi ling, and Genetic Transformation in Ginger (Zingiber offi cinale Roscoe.) Pp 403-426. In SM Jain (Ed), Springer Protocols, Methods in Molecular Biology 1391, Protocols for In Vitro Cultures and Secondary Metabolite Analysis of Aromatic and Medicinal Plants, (Second Edition) Springer, USA.