I’ma Neerakkal,2018. Biodiversty through Intercropping system for sustainable rubber cultivation and ecorestoration in Kerala, (Proceedings of International Biodiversity Congress (IBC 2018) Forest Research Institute, Dehradun, India | 4-6 October 2018 Oral Presentation- 14/30 Volume IV | pp. 1-5),

I’ma Neerakkal, Vijayakumar K.R and Sethuraj M.R. 2009. A survey of ethnobotanically important medicinal plants naturally growing under the canopy of plantation crops and homesteads of Kerala., (Proceedings of the state level seminar on Ethnobotany: The plant friendly practices on medicinal plants pp 88-94),

I’ma Neerakkal, K.R.Vijayakumar and M.R.Sethuraj,2008. Intercropping System: An approach to sustainable management, conservation and eco restoration of medicinal plants., (Procedings of International conference on biodiversity conservation and management.Central Marine Fisheries Research Institute (ICAR), Cochin PP 143-144.),

I’ma Neerakkal,K.R.Vijayakumar and M.R.Sethuraj,2005. Intercropping of medicinal plants in rubber plantations- Light requirements and mechanism of shade adaptation., ( Preprints of the International Natural Rubber Conference, India 6-8 Novmber 2005, Cohin, India, pp 205-209. ),

5. I’ma Neerakkal,2005 Reflectance, transmittance and absorptions of some shade adapted medicinal plants., (Proceedings of the national seminar on plant genetic resources management, U.C College, Aluva sponsored by University grants commission pp 123-131.),

I’ma Neerakkal, 2005 Nitrogen metabolism of green gram under sodium chloride salinity., (Proceedings of the seventeenth Kerala Science Congress, Kerala Forest Research Institute , Peechi, pp 248-249.),

I’ma Neerakkal ,2004. Leaf optical properties of some adapted medicinal plants using intact leaves under artificial shade treatment ., (Proceedings of the sixteenth Kerala science congress, Kozhikodu, P641.),

I’ma Neerakkal, Vijayakumar K.R Sehturaj M.R 2003. Light requirements and mechanism of shade adaptation of certain medicinal plants for intercropping in plantations., (Proceedings of the certain medicinal plants for intercropping in plantations. Proceedings of the fifteenth Kerala science congress, Thiruvanathapuram pp 555-565.),

I’ma Neerakkal.2002. Leaf structural characteristics and physiology of four medicinal plants grown under different light regimes., (Proceedings of the fourteenth Kerala science congress, CUSAT, Kochi pp 174-176.),

I’ma Neerakkal, Vinoth T , Vijayakumar K.R., Sethuraj M.R1995. Screening for shade tolerance of potential medicinal plants as intercrops in rubber plantations, (presented in international conference on current progress in medicinal and aromatic plant research 1995, Culcatta, India),

3. I’ma Neerakkal andK.R.Vijayakumar,2008. Certain shade adapted medicinal plants for multistoried cropping in plantations., ( Proceedings of the international conference on sustainable agriculture, Kottayam p45.),