Designation
Principal Scientist
Qualification
Ph.D
Division
ITMU
Specialisation
Consumer Behaviour
Email
[email protected]
Location
Head Quarters

Psychology of eating

Number of institute projects completed: Five
1. Development of media support system for tuber crops extension and training
2. Tuber Crops: Production system diagnosis for Eastern and North Eastern India
3. Designing strategies for improving elephant foot yam and greater yam seed systems
4. Investigations on consumers’ food choice, consumption patterns and acceptance of
    tuber crops based food products
5. Development of optimum market positioning models for tuber crops based food
products
 Number of Institute projects being handled: One
 Number of externally funded projects completed : One
1. Investigations on the consumers need, knowledge, attitude and purchase behaviour
of functional foods from starchy staples (Funded by ICSSR, New Delhi)
Number of externally funded projects being handled(Add list): Nil

Number of Research papers : Fifteen
International
1. Sivakumar, P.S., Parasar, B., Das, R.N., and Anantharaman, M. (2013). Determinants
of Computer Utilization by Extension Personnel: A Structural Equations Approach. Journal
of Agricultural Education and Extension.
http://dx.doi.org/10.1080/1389224X.2013.803986
2. Sivakumar, P.S., Panda, S.H., Ray, R.C., Naskar, S.K., and Bharathi, LK. (2010).
Consumer acceptance of lactic acid fermented sweet potato pickle. Journal of
Sensory Studies 25, 706‐719
3. Sivakumar, P. S., Panda, S.H., Ray, R.C., Pradhan, D.C., and Sivaramane, N. (2008).
Modeling consumer acceptability of β‐carotene rich sweet potato curd. Journal of
Sensory Studies. 23, 791‐803

4. Sivakumar, P.S.,Nedunchezhiyan, M., Paramaguru, S., and Ray, R.C. (2009).
Production system‐specific differences in farmers’ demand for greater yam
(Dioscoreaalata) varietal attributes in Orissa State, India. Experimental Agriculture,
45, 1–14
5. Ray, R.C., Panda, S.K., Swain, M.R., and Sivakumar, P.S. (2012). Proximate
composition and sensory evaluation of anthocyanin‐rich purple sweet potato
(Ipomoea batatas L.) wine. International Journal of Food Science and Technology, 47,
452‐458
6. Ray, R.C. and Sivakumar, P.S. (2009). Traditional and novel fermented foods and
beverages from tropical root and tuber crops: review. International Journal of Food
Science and Technology, 44, 1073–1087
7. Panda, S.H., Naskar, S.K., Sivakumar, P.S., and Ray, R.C. (2009). Lactic acid
fermentation of anthocyanin‐ rich sweet potato (Ipomea batatas L.) into lacto‐juice.
International Journal of Food Science and Technology.44, 288‐296.
8. Panda, S.H., Panda, S., Sivakumar, P. S. and Ray, R.C. (2009). Anthocyanin‐rich sweet
potato lacto‐pickle: Production, nutritional and proximate composition. International
Journal of Food Science and Technology 44, 445‐455.
9. Mohapatra, S. Panda, S.H., Sahoo, S.K., Sivakumar, P.S. and Ray, R.C. (2007). β‐
Carotene‐rich sweet potato curd: production, nutritional and proximate
composition. International Journal of Food Science and Technology, 42, 1305‐1314.

National
1. Sivakumar, P.S., Pradhan, D.C., Das, S.N., and Sivaramane, N. (2008). An analysis of
structural change in area and productivity of sweet potato in Orissa. Journal of Root
Crops. 34(2): 181‐187.
2. Sivakumar, P.S. and Ray, R. C., Panda, S.H. and Naskar, S.K. (2006). Application of
principal components analysis for sensory characterization of sweet potato curd. Journal
of Root Crops. 33: 62‐66.
3. Sivakumar, P.S. and Ray, R.C. (2006). Gender difference in learning styles of
trainees. Manage Extension Research Review. 7(2), 77‐84.

4. Sethi, K. Sivakumar, P. S. and Naskar, S. K. (2005). Impact of sweet potato
technologies on food and nutritional security of tribals – A success story. Intensive
Agriculture. 43 (11‐12): 22‐23.
5. Sivakumar, P.S. (2003). Sweet potato: A crops for food and nutritional security in
Orissa. Orissa Review. LX (2&3): 61‐64.
6. Pandian, S., Radhakrishnan, T. and Sivakumar, P.S. (2002). Effect of video education
on knowledge gain. Agricultural Extension Review. 14 (5), 3‐4.

Number of Books/Book chapters: Books – Two, Book chapters ‐ Five
Books
International
1. Ray, R.C., Panda, S.H., and Shivkumar, P.S. (2010). Lactic Acid Fermentation of Sweet
Potato. LAP LAMBERT Academic Publishing, Germany, pp‐224 (ISBN ‐ 978‐3‐8433‐
7657‐0).

National
1. Sasikumar, R., and Sivakumar, P.S. (2012). Agri‐Food crops: Processing, value
addition, packaging and storage. New Delhi: New India Publishing Agency (ISBN:
9789381450406).
2. Naskar, S.K. Nedunchezhiyan, M., Rajasekhara Rao. K. Sivakumar, P. S., Ray, R.C.,
Misra, R.S. and Mukherjee, A. (2006). Root and tuber crops in nutrition, food security
and sustainable environment. Regional Centre of Central Tuber Crops Research
Institute, Bhubaneswar (ISBN: 81‐903825‐0‐0)

Book chapters
1. Sivakumar, P.S., and Ray, R.C. (2008). Sensory evaluation methodologies for tuber
crop products. In: Nedunchezhiyan, M (Ed.). Advance techniques in quality planting
material production and commercial cultivation of tropical tuber crops. Pp, 261‐267.
Bhubaneswar, India: Regional Centre of Central Tuber Crops Research Institute.
2. Sivakumar, P.S., and Ray, R.C. (2008). Statistical methods for data interpretation. In:
Nedunchezhiyan, M (Ed.). Advance techniques in quality planting material

production and commercial cultivation of tropical tuber crops. Pp, 277‐281.
Bhubaneswar, India: Regional Centre of Central Tuber Crops Research Institute.
3. Sivakumar, P.S, Ray, R.C., and Naskar, S.K. (2007). Consumer evaluation of sweet
potato curd. In: Padmaja, G., Prem Kumar, T., Edison, S., and Bala Nambisan (Eds.).
Root and tuber crops: Post harvest management and value addition. Proceedings of
the National seminar on achievements and opportunities in post harvest
management and value addition in root and tuber crops (NSRTC 2). Pp: 398‐
400.Thiruvananthapuram, India: Central Tuber Crops Research Institute.
4. Sivakumar, P.S., Nedunchezhiyan, M. and Ray, R.C. (2007). Indigenous technology,
eco‐friendly environment and sustainable agriculture. In (Ed.) Satapathy, M.K.
Education, environment and sustainable development. New Delhi. Shipra
Publications. Pp: 228‐252.
5. Anantharaman, M. Ramanathan, S. and Sivakumar, P.S. (2002). Capacity
development for KVK – Internal and external dimensions. In: Samata, R.K. and
Chandra Gowda, M.J. (Eds.). Krishi Vigyan Kendra: The capacity building of farmers.
B.K. Publishing Corporation, New Delhi...pp: 105‐130.

 Number of Technical Bulletins: Four
Technical Bulletins
1. Sivakumar, P.S., Anantharaman, M., Ramanathan, S., Misra, R.S., Laxminarayana, K.,
and Jha, A.K. (2013). CTCRI Rooting ahead to North‐Eastern Hill India. CTCRI‐NEH
programme technical bulletin No. 59. Sreekariyam, India: Central Tuber Crops
Research Institute.
2. Sivakumar, P.S., Anantharaman, M., Thirugnanvel, A., Ramanathan, S., and Punita, P.
(2013). Traditional Tuber crops foods of North‐Eastern India. CTCRI‐NEH programme
technical bulletin No. 58. Sreekariyam, India: Central Tuber Crops Research Institute
3. Sivakumar, P.S., Nedunchezhiyan, M., Padmaja, G., and Jata, S.K. (2010). Tuber crops
products for household utilisation and small‐scale industries. NAIP Field guide series
1, Regional Centre of Central Tuber Crops Research Institute, Bhubaneswar, India
4. Ray, R.C. Naskar, S.K. and Sivakumar, P.S. (2005). Sweet potato curd. Technical
Bulletin Series – 39. Central Tuber Crops Research Institute, Thiruvananthapuram,
India.

Training manuals
1. Sivakumar, P.S. Anantharaman, M., Roy, A., and Seeralan, S. (2012).
Sustainable livelihood assessment and value chain analysis: Tools and Techniques.
CTCRI‐NEH Training Series – 1. Thiruvananthapuram, Central Tuber Crops Research
Institute.
2. Sivakumar, P.S. and Anantharaman, M., (2012). Improved tuber crops
production technologies for NEH Region under CTCRI North East programme:
Training handbook. CTCRI‐NEH Training Series – 2. Thiruvananthapuram, Central
Tuber Crops Research Institute.

  •  Fulbright – Nehru Postdoctoral Research Fellow 2013‐2014 at the Department of
    Psychology, Florida State University, Tallahassee, USA (Aug 19, 2013 to Aug 18, 2014)
  • Selected as distinguished young scientist and listed in the Marquis Who's Who in the
    World ‐ 29th Edition, 2011 published by the News Communications, Inc., USA.
  • Travel grant ‐ Awarded Department of Science and Technology, Govt. of India travel
    grant for participation in the Fourth European Conference on Sensory and Consumer
    Research” organized by University of Basque County, Spain at Palacio Europa,
    Vitoria‐Gasteiz, Spain during 5‐8 September 2010 (Could not participate due to
    personal reasons)
  • Reviewer – (1) Food Products Marketing (Taylor & Francis)
    (2) Journal of International Food & Agribusiness Marketing (Taylor &
    Francis)
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