* Principal Scientist & Head i/c, ICAR-CTRI RS, Vedasandur. – 2020 onwards

* Principal Scientist, ICAR-DMAPR, Anand. 2007-2020

* Senior Scientist, ICAR-CPRI-Shimla. 2002-2007.

* Scientist, ICAR-DGR-Junagadh, Gujarat. 1995-2002.

1. Manivel, P., Deore HB, R Nagaraja Reddy. 2018.Inheritance of morphological characters in Isabgol (Plantago ovata Forsk.)  in tobacco. Academia Journal of Medicinal Plants 6(5): 091-095
2. Manivel, P., Rama Reddy Nagaraja Reddy and Harshal Deore. 2017. Genetic diversity for root yield and its component traits in ashwagandha (Withania somnifera (L) Dunal) pure lines derived from JA 134 population.  in tobacco. Int. J. Curr. Microbiol. App. Sci. 6(4): 1694-1710
3. Basak, B.B., Saha, A., Gajbhiye, N.A. and Manivel, P. 2020. Potential of organic nutrient sources for improving yield and bioactive principle of Ashwagandha (Withania Somnifera) through enhanced soil fertility and biological functions.   Communication in Soil Science and Plant Analysis  DOI. 10.1080/00103624. 2020. 1729368
4. Saha, A., Basak, B.B. and Manivel, P. 2020. Performance of activated carbon derived from Cymbopogon winterianus distillation waste for scavenging of aqueous toxic anionic dye Congo red: Comparison with commercial activated carbon.   Separation Science and Technology  55 (11): 1970-1983
5. Patel S, Pachhigar K, Ganvit R. Panchal RR, Manivel, P. Kumar J, Reddy RRN. 2020. Exploring flowering genes in isabgol (Plantago ovata Forsk.) through transcriptome analysis.    Plant Mol Biol Rep   39:192-211.
6. Patel S, Panchal RR, Manivel, P. Reddy RRN 2020. Identification of reference genes for normalization of gene expression during flowering in isabgol (Plantago ovata Forsk.).   Academia Journal of Medicinal Plants   8(12): 001-011.
7. Nagaraja Reddy, Rama Reddy and Ponnuchamy Manivel 2019. Valuation of reference genes for gene expression studies in different tissues and genotypes of Senna (Cassia angustifolia Vahl.), a medicinal plant with laxative.   Academia Journal of Medicinal Plants   7(7): 169-181.
8. Rucha Harishbhai Mehta,  Manivel Ponnuchamy, Jitendra Kumar and Nagaraja Reddy Rama Reddy. 2016. Exploring drought stress-regulated genes in senna (Cassia angustifolia Vahl.): a transcriptomic approach.   Funct. Integr. Genomics   DOI 10.1007/s10142-016-0523-y.
9. Nagaraja Reddy Rama Reddy, Rucha Harishbhai Mehta, Palak Harendrabhai Soni, Jayanti Makawana, Narendra Athamaram Gajbhiye,  Manivel Ponnuchamy, Jitendra Kumar. 2015. Next generation sequencing and transcriptome analysis predicts biosynthetic pathway of sennosides from Senna (Cassia angustifolia Vahl.), a non-model plant with potent laxative properties.   PLoS One.  10(6):e0129422 (ISSN: 1932-6203)
10. Manivel, P., Manivel Ponnuchamy, S. K. Pandey, S.V. Singh. 2009. Repeatability of general and specific combining ability effects of seedling and clonal generation in potato.   Electronic J. Plant Breed.   1: 43-46.

Fellow of Professional Socieites
• National Academy of Science, India NASI Allahabad
• National Academy of Biological Science, Chennai
• Indian Society of Plant Breeding, New Delhi
• Life member of scientific Societies: 15
• Reviewer for peer reviewed journals: 6
• Best scientist award: 2016
• Best citizen of India award: 2015
• President:  Medicinal and Aromatic Plants Association of India (MAPAI), Directorate of Medicinal and Aromatic Plants Research, Anand.  
• Chief Editor: Open Access journal of medicinal and aromatic Plants
• Countries Visited: USA, Germany, Singapore, Philippines, Malaysia, Japan and Nepal