Academic record & distinction

M.Sc. (Ag.) Horticulture, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi in the year 2005
Ph.D (Horticulture), Institute of Agricultural Sciences, Banaras Hindu University, Varanasi in the year 2009

Areas of Specialization

Pomology (Fruit Science), indigenous/underutilized horticultural species, nutritional profiling,  plant tissue culture (micropropagation), post harvest management.

Research Guidance:

PhD Research: 03 awarded, 03 registered
M.Sc. Dissertation: 29 awarded, 03 pursuing

Publications & Projects:

Publications in journals: 36; Edited Book: 01, Book chapters: 05; Chapters in Training Manuals; 02, Popular articles: 14; Member of scientific societies: 08; Research projects: 02.

Latest Publications

1. Rai Obadiya, Upadhyay Sujata (2025). Evaluation of farmer’s perception on plant protection practices in Sikkim mandarin (Citrus reticulata Blanco). Ecology, Environment and Conservation. 31(February Suppl. Issue): S163-S169
2. Chettri Umesh,  Upadhyay Sujata,  Sharma Laxuman, Manivannan S. (2024). Off-season Seedling Production of Sikkim Local Cucumber (Cucumis sativus) under Polytunnel of Different Heights. Environment and Ecology. 42(4B):1958-1966, https://doi.org/10.60151/envec/PGQB3117
3. Limbu Suren, Sharma Laxuman, Kumar Rajesh, Rana Manju, Upadhyay Sujata (2024). Evaluation of hybrids of egg plants (Solanum melongena L.) under organic cultivation conditions. Ecology, Environment and Conservation. 30 (July Suppl. Issue): S275-S283
4. Pradhan Sneha Priya,  Upadhyay Sujata, Sharma Laxuman, Kumar Rajesh (2024). Effect of Organic Manure and Biofertilizer on Growth and Yield of Brown Mustard (B. juncea subsp. integrifolia var crispifolia). Environment and Ecology. 42(4): 1562-1569 DOI: https://doi.org/10.60151/envec/LOOW5508
5. Chettri Smriti, Manivannan S., Upadhyay Sujata, Shalini T. (2024). Propagation of Some Wild Edible Ferns for Environmental Sustainability and Nutritional Security in Sikkim Himalaya. Ecology, Environment and Conservation. 30 (May Suppl. Issue): S188-S194. DOI No.: http://doi.org/10.53550/EEC.2024.v30i03s.034
6. Mibang Lenci, Upadhyay Sujata, Rai Obadiya, Manivannan S. , Muddarsu Venkata Ramana (2024). Discrimination in North-eastern pomelo using ionomic profiling and multivariate statistics. Ecology, Environment and Conservation. 30(2): 14-21
7. Pradhan Adharsika, Upadhyay Sujata, Kumar Rajesh, Sharma Laxuman (2024). Effect of various media compositions on Culantro (Eryngium foetidum) under pot cultivation in Sikkim. Ecology, Environment and Conservation. 30 (August Suppl. Issue): S421-S428
8. Budhathoki Rupak, Bhutia Karma D.,  Das Twarita, Chettri Sushmita, Sharma Laxuman, Upadhyay Sujata (2023) Physico-chemical  Characteristics of Dragon Fruit Hylocereus polyrhizus (Weber) Britton and Rose from Different Locations of Nepal. Environment and Ecology. 41 (4C) : 2853-2858. DOI: https://doi.org/10.60151/envec/JFTT4959
9. Chettri Kush, Upadhyay Sujata, Bhutia Karma Diki and Sharma Laxuman (2024) Effect of different packaging material on storage and quality attributes of kiwi fruits  (Actinidia deliciosa Planch). Journal of Postharvest Technology. 12(2):34-43 https://doi.org/10.48165/jpht.2024.12.2.04
10. Rai Guddu and Upadhyay Sujata (2024). Disease and pest management of black pepper. In: Major Pests and Diseases of Spices Crops and their Management. Eds: Bhavna Verma, Kamal Tanwar, Ahmed Aftarika Azmi, Hasan Wajid, Vaishampayan Sanjay, Empyreal Publishing House, New Delhi, India, pp. 80-88. ISBN: 978-81-967311-9-9. 
11. Upadhyay Sujata, Pandey Yamuna, Bhutia Karma Diki, Sharma Laxuman and Manivannan S. (2023). Nutritional Importance of Indigenous Fruits and Vegetables of Sikkim. In: Emerging Trends in Agriculture Sciences. Vol. 15. Ed: Yad Vir Singh, Integrated Publications, New Delhi, pp. 67-82. ISBN: 978-93-5834-677-0.