Areas of Interest/ Specialization: Plant Biotechnology, Computational biology and biodiversity conservation
Experience: Nineteen years teaching and sixteen years research experience in Botany/Plant Biotechnology and Conservation

Teaching experience

• Ad-hoc Lecturer, Department of Botany, Sankardev College, Shillong (July 2000-August 2001)
• Lecturer, Department of Botany, St. Edmund’s College, Shillong (September 2001- March 2006)
• Guest Lecturer, Department of Biotechnology, St. Edmund’s College, Shillong (Academic Session 2006)
• Senior Lecturer, Department of Botany, St. Edmund’s College, Shillong (March 2006-  December 2006)
• Assistant Professor of Biotechnology, Department of BSSS, School of Technology, NEHU, Shillong (December 2006 till date)

Awards

Academic Distinctions/Awards, Medals, Scholarships/Fellowships

• Gold Medal in M. Sc.  (Botany) Examination under NEHU
• Merit Prize winner of NEHU for B. Sc. Examination (Botany Hons.)
• Talents Club Award, Meghalaya for First Rank in B.Sc. Examination (Botany Hons.)
• T.C. Dutta Award by St. Anthony’s College for B. Sc. Examination (Botany Hons.) under NEHU
• St. Anthony’s College Award for B. Sc. (Pass) Examination under NEHU
• Recipient of Post-Graduate Merit Scholarship of NEHU
• Recipient of Junior Research Fellowship from DBT during Ph. D.

Ph. D. Awarded/ Supervised

Administrative responsibilities undertaken

• Steering Committee Member of IQAC (2014-2016 for the preparation of Self Study Report of NEHU for NAAC accreditation)
• Coordinator of the Departmental Annual Report Committee
• Chairman of the Departmental Maintenance cum Condemnation Committee
• Member of the Departmental Purchase Committee
• Member of the Departmental National Institute Ranking Framework (NIRF) Committee
• Member of the Departmental Annual Quality Assurance Report (AQAR) Committee
• Member of the NBA Committee of the School of Technology, NEHU
• Member of the Central Admission Committee of School of Technology

Research Projects

Publications

Research Publications 

• Borah R, Kumaria S and Choudhury H. 2017. In vitro plant regeneration of Magnolia punduana: An endemic and threatened plant species. Plant Tissue Cult & Biotech. 27(2): 153-159 (December). DOI: http://dx.doi.org/10.3329/ptcb.v27i2.35020. ISSN: 1817-3721 (Print) 1818-8745 (Online). 18173721
• Bose B, Kumaria S, Choudhury H and Tandon P. 2017. Insights into nuclear DNA content, hydrogen peroxide and antioxidative enzyme activities during transverse thin cell layer organogenesis and ex vitro acclimatization of Malaxis wallichii, a threatened medicinal orchid. Physiol Mol Biol Plants. 23(4):955-968 (October). DOI 10.1007/ s12298-017-0474-3 (IF: 0.883, 2016). ISSN: 0971-5894 (Print) 0974-0430 (Online).
• Bose B, Choudhury H, Tandon P and Kumaria S. 2017. Studies on secondary metabolite profiling, anti-inflammatory potential, in vitro photoprotective and skin-aging related enzyme inhibitory activities of Malaxis acuminata, a threatened orchid of nutraceutical importance. Journal of Photochemistry & Photobiology, B: Biology. 173: 686-695 (July). https://doi.org/10.1016/j.jphotobiol.2017.07.010 (IF: 2.673, 2017). ISSN: 10111344.
• Shailajan S, Kumaria S,  Pednekar S, Menon S,  Choudhury H, and Matani A. 2016. Estrogenic potential of Flemingia vestita Benth. tubers in ovariectomized rat model. Pharmacognosy Journal.  8(1): 44-49 (January-February). (DOI : 10.5530/ pj. 2016.1.10) (IF: 1.069, 2016). ISSN: 0975-3575.
• Bose B, Kumaria S, Choudhury H, and Tandon P. 2016. Assessment of genetic homogeneity and analysis of phytomedicinal potential in micropropagated plants of Nardostachys jatamansi, a critically endangered, medicinal plant of alpine Himalayas. Plant Cell Tissue and Organ Culture. 124(2): 331-349 (February). (DOI 10.1007/s11240-015-0897-x.). (IF: 2.002, 2016). ISSN: 0167-6857(Print); 1573-5044 (Online).
• Mir AH, Upadhaya K, and Choudhury H. 2014. Diversity of Endemic and Threatened Ethnomedicinal Plant Species in Meghalaya, North-East India. International Research Journal of Environment Sciences. 3(12): 64-78. ISSN: 2319-1414.
• Choudhury Hand Tandon P. 2014. Non-destructive assessment of growth performance of embryogenic suspension culture of Pinus kesiya (Royle ex. Gord.) in shake-flask and self-designed bubble bioreactor and successful regeneration of plantlets from the culture systems. Proc Natl Acad Sci, India, Sect B Biol Sci. (July–Sept 2014) 84(3):771-777. DOI 10.1007/s40011-013-0253-z. (IF: 0.396, 2017). ISSN: 0369-8211 (Print); 2250-1746 (Online).
• Kalita V, Choudhury H, Kumaria S and Tandon P. 2012. Vitrification-based cryopreservation of shoot-tips of Pinus kesiya Royle ex. Gord. CryoLetters. 33(1): 58-68. (IF: 1.140, 2014-15). ISSN: 0143-2044.
• Choudhury H, Kumaria S and Tandon P. 2008. Induction and maturation of somatic embryos from intact megagametophyte explants in Khasi pine (Pinus kesiya Royle ex. Gord.). Current Science. 95(10): 1433-1438. (IF:0.756, 2018). ISSN: 0011-3891.
• Bhattacharjee A, Choudhury H, Maheswari U and Joshi SR. 2008. In-silico prediction of structural and functional aspects of a hypothetical protein of Arabidopsis thaliana (L) Heynh. Advanced Biotech. VII (06): 14-18. ISSN: 0973-0109.
•  Tandon P, Kumaria S and Choudhury H. 2007. Plantlet regeneration of Pinus kesiya Royle ex. Gord. from mature embryos. Indian Journal of Biotechnology. 6(2): 262-266. (IF: 0.343, JCR 2018). ISSN: 0972-5849.
• Malabadi RB, Choudhury H and Tandon P. 2004. Initiation, maintenance and maturation of somatic embryos from thin apical dome sections in Pinus kesiya (Royle ex. Gord.) promoted by partial desiccation and gellan gum. Scientia Horticulturae. 102(4): 449-459. (IF: 1.916, 2018). ISSN: 0304-4238.
• Malabadi R, Choudhury H and Tandon P. 2003. Effect of gelling agent, carbon sources and sterilization methods in initiation and establishment of embryogenic cultures in Khasi pine (Pinus kesiya Royle ex. Gord.). Applied Biol Res. 5: 1-8.
• Malabadi RB, Choudhury H and Tandon P. 2002. Plant regeneration via somatic embryogenesis in Pinus kesiya (Royle ex. Gord.). Applied Biol Res. 4: 1-10.

Books

• Kumaria S, Choudhury H, and Das MC. 2015. Biotechnological Approaches in Ex Situ Conservation of Plant Genetic Resources of Northeast India. Edition: 1st; pp232. Excel India Publishers, New Delhi, India. ISBN: 978-93-84869-79-3.
• Choudhury H. 2015. Biology, Biotechnology and Sustainable Development. pp. 274. Research India Publications, Delhi, India. ISBN: 978-93-84443-19-1.

Book Chapters

• Mir AH, Jeri L, Upadhaya K, Bhat NA, Borah R,Choudhury HandKumar Y. 2019. Diversity, Bioprospection and Commercial Importance of Indian Magnolias. Chapter-9, pp. 195-217. In: Plants for Human Survival and Medicine (Ed. Singh B). New India Publishing Agency, New Delhi, India. ISBN: 978-93-87973-51-0.
• Choudhury H. 2016. Illicium griffithii Hook. f. & Thoms. a Medicinally Important Threatened Plant of Northeast India: Need for Inventorization, Characterization and Propagation for Improving Economic and Conservation Status. Chapter-16, pp. 217-227. In: Biodiversity and Environmental Conservation (Ed Upadhaya K). Discovery Publishing House Pvt. Ltd., New Delhi, India. ISBN: 978-93-5056-775-3.
• Choudhury H. 2015a. Somatic embryogenesis in pines and its progress towards commercialization. Chapter-2, pp. 17-41. In: Biotechnological Approaches in Ex Situ Conservation of Plant Genetic Resources of Northeast India (Eds Kumaria S, Choudhury H. Das MC). Excel India Publishers, Delhi, India. ISBN: 978-93-84869-79-3.
• Choudhury H. 2015b. Biology and Biotechnology Applications: Probable Solutions for Sustainable Development. Chapter-12, pp. 217-252. In: Biology, Biotechnology and Sustainable Development (Ed H. Choudhury). Research India Publications, Delhi, India. ISBN: 978-93-84443-19-1.
•  Choudhury H, Kumaria S, and Tandon P. 2014. Pinus Biotechnology: Progress and Prospects. Section 1, Chapter-8, pp. 223-247. In: Tree Biotechnology (Eds) K.G. Ramawat; Jean-Michel Merillon; M.R. Ahuja. CRC Press, Taylor & Francis Group, 6000 Broken Sound Parkway NW, Suite 300, Boca Raton, FL33487-2742. ISBN: 978-1-4665-9714-3.
• Upadhaya K, Choudhury H and Odyuo N. 2012. Floristic Diversity of Northeast India and its Conservation. Chapter-5, pp. 61-71. In: International Environmental Economics- Biodiversity and Ecology (Ed. R K Mandal), Discovery Publishing House Pvt. Ltd., New Delhi. ISBN: 978-93-5056-152-2.
• Choudhury H, Goswami S and Thangkhiew DR. 2010. Need to conserve natural ecosystem of Janiaw and Lawbah in Meghalaya as sacred landscape or protected fossil park- A preliminary case study with the perspective of conservation of nature and socio-economic up-liftment of the local people. Chapter-13, pp. 194-205. In: Development Scenario of North East India: A Holistic Perspective (Ed. J U Ahmed), DVS Publishers, Pan Bazar, Guwahati. ISBN: 978-81-86307-25-0.
• Choudhury H, Bhattacharjee A and Upaddhaya K. 2008. Environmental Biotechnology: Bioplastics and their environmental importance. pp. 121-125. In: Proceedings of National Seminar on Toxicity of Chemicals & their Hazards with Special Reference to Heavy Metals.
• Choudhury H, Goswami S and Kumaria S. 2007. Sacred Groves of Meghalaya: A Religious Way of in situ Conservation. Chapter-16, pp. 218-232. In: Biodiversity and its Significance (Eds. Tandon P, Abrol Y P and Kumaria S); I. K. International Publishers, New Delhi. ISBN: 81-88237-81-7.

Papers presented in Conferences/ Seminars

• Choudhury H. 2018. Invited presentation on the topic “DNA sequencing- an Overview and Pyrosequencing” in the National Level Workshop on Interactive NGS Data Analysis held from 15-17th November, 2018 organized by Bioinformatics Centre, North-Eastern Hill University, Shillong, sponsored by DBT, Government of India.
• Choudhury H. 2015. In vitro polyembryo rescue in Khasi pine (Pinus kesiya Royle ex. Gord.). In the National Symposium on Bioresources and Sustainable Development & 2nd National Bioresources and Sustainable Development Summit held at North-Eastern Hill University, Shillong during October 28-29, 2015, organised jointly by the Department of Botany, North-Eastern Hill University, Shillong, Meghalaya and Institute of Bioresources and Sustainable Development (IBSD), Imphal, Manipur, India.
• Choudhury H. 2014. Invited presentation on the topic “Phytochemicals as a source of chemical entity for control of Mycobacterium tuberculosis” in the National Seminar on Metabolomics- A new Frontier in Natural Products Research held during May 23-24, 2014, organized by Department of Biotechnology & Bioinformatics, NEHU, Shillong and sponsored by North-Eastern Hill University, Shillong, Meghalaya.
• Choudhury H and Tandon P. 2013. Comparative assessment of growth performance of embryogenic suspension culture of Pinus kesiya (Royle ex. Gord.) in shake-flask and self-designed bubble bioreactor and regeneration of plantlets from the culture systems. Section I: Agriculture and Forestry Sciences. pp. 129. In the 100th Indian Science Congress. January 3-7, 2013. Calcutta University, Kolkata, West Bengal, India.
• Kalita V, Choudhury H and Tandon P. 2010. Effects of vitrification solutions, exposure time, preculture, volume of vitrification solution on vitrification-based cryopreservation of Khasi pine (Pinus kesiya Royle ex. Gord.) shoot-apices. pp. 32. In National Symposium on Assessment and Conservation of Plant Genetic Resources Under Changing Environment.  September 8-10, 2010. UGC-CAS in Botany, Department of Botany, North-Eastern Hill University, Shillong, Meghalaya, India
• Bhattacharjee A and Choudhury H. 2009. Homology modeling and analysis of Presenilin Enhancer-1 protein- A component of gamma secretase enzyme complex implicated in Alzheimer’s disease. Section XII: New Biology. pp. 3-4. In the 96th Indian Science Congress. January 3-7, 2009. North-Eastern Hill University, Shillong, Meghalaya, India
• Choudhury H, Bhattacharjee A and Upaddhaya K. 2008. Environmental Biotechnology: Bioplastics and their environmental importance. pp. 121-125. In theNational Seminar on Toxicity of Chemicals & their Hazards with Special Reference to Heavy Metals. October 23-24, 2008. St. Edmund’s College, Shillong, Meghalaya, India
• Tandon P, Rao SR, Kumaria S, Goel S and Choudhury H. 2007. Oleoresin prospecting, propagation and marker assisted characterization of elite germplasm of Pinus kesiya Royle ex. Gord. (khasi pine). A Research Proposal Presented to DBT, Ministry of Science & Technology, Govt. of India
• Choudhury Hand Tandon P. 2003. Development of embryogenic suspension cultures from Pinus kesiya Royle ex. Gord. (Khasi pine). In the 90th Indian Science Congress. January 3-7, 2003. Bangalore University, Bangalore, India
• Choudhury Hand Tandon P. 2002. Effect of developmental stage of zygotic embryo and media composition on initiation of somatic embryogenesis in Khasi Pine (Pinus kesiya Royle ex. Gord.). In the 72nd Annual Session of the National Academy of Sciences & National Symposium on ‘Biodiversity: A Scientific Approach- Agenda for the 21st Century’. October 25-27, 2002.  North-Eastern Hill University, Shillong, Meghalaya, India
• Deb CR, Choudhury H and Tandon P. 1997. Initiation of embryogenic cultures from mature zygotic embryo of Khasi pine (Pinus kesiya Royle ex. Gord.). In the National Symposium on Role of Plant Biochemistry and Biotechnology in Improving Crop Productivity. March 18-20, 1997. ICAR Research Complex, Barapani, Meghalaya, India

Collaboration/ Consultancy

Academic Collaboration with

•  Dr. V. Kumar, Forest Research Institute, Dehra Dun, Prof. S. R. Rao and Dr. A. Bhattacharjee, Department of Biotechnology and Bioinformatics, NEHU, Shillong on Phytochemical examination, molecular characterization and propagation of Illicium griffithii Hook. F. & Thoms.: a medicinally important RET plant of Northeast India for improving economic- and conservation- status,
•  Dr. Sunil S. Thorat, Regional Centre of Institute of Bioresources and Sustainable Development (IBSD), Gangtok, Sikkim, Dr. Chittaranjan Deb, Department of Botany, Nagaland University, Dr. Rajiv Kumar Singh, Rajiv Gandhi University, Itanagar, Arunachal Pradesh, Mr. Bharat G. Somkuwar, Institute of Bioresources and Sustainable Development, Imphal, Manipur, Dr. Swapan Kumar Sinha, TERI-Northeastern Regional Centre, Guwahati, Assam, Prof. B. K. Datta,  Tripura University, Tripura, Dr. Kalidas Upadhyaya,  Mizoram University and Dr. Dhanaraj Singh Thokchom, Centre for Orchid Gene Conservation of Eastern Himalayan Region (COGCEHR), FEEDS/ Krishi Vigyan Kendra –Sylvan, Manipur, on Orchid bioresources of the North-east India – Conservation, database development and information networking,
•  Prof. S.K. Barik, Prof. N. Venugopal and Dr. M. C. Das of the Department of Botany, NEHU, Shillong, and Dr. A. Chettri, Sikkim University, Gantok, Sikkim and Dr. K. K. Singh, GBPIHED (Sikkim Unit) Sikkim on Preventing extinction and improving conservation status of threatened plants through application of biotechnological tools, and
•  Dr. S. Kumaria of the Department of Botany, NEHU, Shillong and Dr. S. Shailajan, Dr. S. Pednekar and Dr. S. Menon of Herbal Research Lab., Ramnarain Ruia College, Mumbai , Maharastra on Molecular characterization and chemoprofiling of two pharmacologically relevant species of Dendrobium found in Northeast India.
• Prof. P. Tandon and Dr. S. Kumaria of the Department of Botany, NEHU, Shillong on Micropropagation of Nardostachys grandiflora and Malaxis wallichii, two threatened medicinal plants of Northeast India.

Resource Person/Invited Speaker/Guest Lectures/Outreach Lectures

1. Delivered an invited lecture on the topic “Science for the People and the People for Science” organized by the Institutional  Biotech Hub, Lady Keane College, Shillong, an initiative of the Department of Biotechnology, Government of India, New Delhi, India as part of the National Science Day celebration on the 28th February 2019 at Lady Keane College, Shillong.
2. Delivered a series of lectures on the topics-  (i) Elements of Solid Waste Management System, (ii) Integrated Solid Waste Management System (ISWM), and (iii) Waste Data Collection, during a Two Month’s GSDP Course Titled ‘Waste Management’ under the Green Skill Development Programme (GSDP) with effect from 6th August 2018, organized by ENVIS Resource Partner Centre, North-Eastern Hill University, Shillong, Meghalaya, under the aegis of the Ministry of Environment, Forest and Climate Change (MoEF&CC), Government of India.
3. Delivered an invited lecture on the topic “Importance and Applications of Biotechnology” during a One-Day Outreach Awareness Programme on 23rd June 2018 at Lady Keane College, organized by the Institutional  Biotech Hub, Lady Keane College, Shillong, an initiative of the Department of Biotechnology, Government of India, New Delhi, India.
4. Delivered an invited lecture on the topic “Green Biotechnology- its Impact on Agricultural Production” during a One-Day Outreach Awareness Programme organized at Me. E. C. L. Secondary School, Sumer, Ri-Bhoi, Meghalaya on 13th October 2017 by the Institutional  Biotech Hub, Lady Keane College, Shillong, an initiative of the Department of Biotechnology, Government of India, New Delhi, India.
5. Delivered an invited lecture on the topic “Impact of Biotechnology in Health Sciences and Medicines” during a One-Day Outreach Awareness Programme organized at Arya Kanya Vidalaya Secondary School, Shillong on 8th September 2017 by the Institutional  Biotech Hub, Lady Keane College, Shillong, an initiative of the Department of Biotechnology, Government of India, New Delhi, India.
6. Delivered an invited lecture on the topic “Biotechnology and its role in Agricultural Development” during a One-Day Outreach Awareness Programme organized at Army Public School, Shillong on 24th November 2016 by the Institutional  Biotech Hub, Lady Keane College, Shillong, an initiative of the Department of Biotechnology, Government of India, New Delhi, India.
7. Delivered an invited lecture on the topic “Biotechnology- Its Relevance in Today’s Time” during a One-Day Outreach Awareness Programme organized at Seven Set Higher Secondary School, Shillong on 17th November 2016 by the Institutional  Biotech Hub, Lady Keane College, Shillong, an initiative of the Department of Biotechnology, Government of India, New Delhi, India.
8. Delivered an invited lecture on the topic “Biotechnology- an Application of Technology in Biological Sciences” during a One-Day Outreach Awareness Programme organized at St. Margaret’s Higher Secondary School, Shillong on 28th July 2016 by the Institutional  Biotech Hub, Lady Keane College, Shillong, an initiative of the Department of Biotechnology, Government of India, New Delhi, India.
9. Participated as an invited speaker in a discussion on the topic “Changing Scenario of Indian Science Emerging Opportunities” organized and broadcasted/ telecasted by Prasar Bharati, All India Radio, Shillong on 16th August 2016
10. Delivered an invited presentation in a seven-day training programme on “Techniques in Plant tissue Culture” held during March 15-21, 2016, organized by the Department of Botany, North-Eastern Hill University, Shillong under the DBT State Level Biotech Hub Project, sponsored by the Department of Biotechnology (DBT), Government of India (GoI). Topic: Introduction to plant tissue culture
11. Delivered an invited lecture on the topic “Biotechnology and Sustainable Development” during a One-Day Outreach Awareness Programme Organized at Army Public School, Shillong on 29th Ocotober 2015 by the Institutional Biotech Hub, Lady Keane College, Shilong under the aegis of the Department of Biotechnology, Government of India, New Delhi. Topic: Biotechnology and Sustainable Development.
12. Chaired the Technical Session on 23rd July 2015 in the two-days “National Seminar on Climatic Aberration: Contemporary dilemma of the anthropogenic climate in social and ecological issues” held during 23rd-24th July 2015, organized by the Department of Chemistry in collaboration with the Department of Botany, Sankardev College, Shillong, sponsored by University Grants Commission (UGC), Government of India.
13. Guest Faculty for M. Sc. Plant Molecular Biology (PMB) Courses of the Department of Botany, NEHU, Shillong (w.e.f February 2013 till date)
14. Guest Faculty for M. Sc. Botany Courses of the Department of Botany, NEHU, Shillong (w.e.f February 2013 till date)
15. Guest Faculty for M. Sc. Biotechnology Courses of the Department of Biotechnology and Bioinformatics, NEHU, Shillong (w.e.f. August 2019 till date)
16. Delivered an invited lecture in a seven-day training programme on “Techniques in Plant Tissue Culture” organised from March 05-12, 2013 under the DBT State Level Biotech Hub Project at the Department of Botany, North-Eastern Hill University, Shillong, Meghalaya. Topic: Techniques in Protoplast Isolation
17. Chaired the Technical Session on 25th July 2011 in the six-day “National Workshop on Recent Advances in In Silico Drug Design & X-Ray Crystallography” held during 25th – 30th July 2011, organized by the Department of Biotechnology & Bioinformatics, NEHU, Shillong and sponsored by Department of Biotechnology, Government of India.
18. Delivered a popular Invited Talk on the topic “Biotechnology: Role in Clean and Green Environment”, organized by Sankerdev College, Shillong on 7th June 2011 to commemorate 5th June- the “World Environment Day”.
19. Delivered a series of lectures as a resource person to the M. Sc. Biotechnology students on the topic “Recombinant DNA Technology” in National Institute of Pharmaceutical Education & Research (NIPER), Guwahati, from 4th May to 7th May 2011 at Gauhati Medical College (GMC) Complex, Guwahati, Assam, India
20. Delivered a series of lectures as a resource person to the M. Sc. Biotechnology students on the topic “Recombinant DNA Technology” in National Institute of Pharmaceutical Education & Research (NIPER), Guwahati, on 5th March 2011 at Gauhati Medical College (GMC) Complex, Guwahati, Assam, India
21. Chaired the paper presentation session “REVMOSTRA” on the theme “Green Technology” during ANAKYALYPSI 2011- the First Techno-Cultural Event of School of Technology, North-Eastern Hill University, Shillong, Meghalaya, India, held from 26th -29th April 2011
22. Delivered a series of lectures as a resource person to the M. Sc. Biotechnology students on “Cell Biology and Biochemistry” in National Institute of Pharmaceutical Education & Research (NIPER), Guwahati, from 29th November to 1st December 2010 at Gauhati Medical College (GMC) Complex, Guwahati, Assam, India
23. Delivered a series of invited lectures on the topic “Genome- its structure and function: Part-1” and also imparted the hands-on-training to the student participants in a Two-Day Training Programme on the “Practical Approach to Insilico Analysis of Genes and Proteins” under the DBT-Star College Scheme-2010, organized by the Department of Biochemistry, Lady Keane College, Shillong, India on 26th and 27th November 2010

Seminars/Conferences/Workshops/Training etc. Attended

• Attended National Symposium on Bioresources and Sustainable Development & 2nd National Bioresources and Sustainable Development Summit held at North-Eastern Hill University, Shillong during October 28-29, 2015, organised jointly by the Department of Botany, North-Eastern Hill University, Shillong, Meghalaya and Institute of Bioresources and Sustainable Development (IBSD), Imphal, Manipur, India.
• Attended Centenary Session of Indian Science Congress during January 3-7, 2013 held at Calcutta University, Kolkata, West Bengal, India.
• Attended “Brainstorming Workshop on Developing R & Proposals for States of North Eastern Region, India”, October 18-19, 2012 organised by Tripura State Council for Science & Technology and sponsored by Department of Science & Technology, Government of India, held at Pragna Bhawan, Agartala, Tripura, India.
• Attended two weeks training programme on “Molecular Tools in Biotechnolgy Teaching and Research” organised from March 19-30, 2012 under the DBT State Level Biotech Hub Project at the Department of Botany, North-Eastern Hill University, Shillong, Meghalaya, India.
• Workshop on “Basic Principles, Preparatory Methods and Biological Application in Transmission Electron Microscopy”, March 22-25, 2011 organized by Sophisticated Analytical Instrument Facility (SAIF), North-Eastern Hill University, Shillong, Meghalaya (Sponsored by Department of Science & Technology, Ministry of Science and Technology, Govt. of India)
• Workshop on “Preventing Extinction and Improving Conservation Status of Threatened Plants Through Application of Biotechnological Tools”, March 17-18, 2011 organized by UGC-CAS in Botany, Department of Botany, North-Eastern Hill University, Shillong, Meghalaya (Sponsored by Department of Biotechnology, Ministry of Science and Technology, Govt. of India)
• National Symposium on “Assessment and Conservation of Plant Genetic Resources Under Changing Environment”, September 8-10, 2010 organized by UGC-CAS in Botany, Department of Botany, North-Eastern Hill University, Shillong, Meghalaya, India
• Workshop on “Micro Electro Mechanical Systems (MEMS) Technology and its Applications”, March 25-27, 2010, organized by Department of Electronics and Communication Engineering (ECE), North-Eastern Hill University, Shillong, and the North Eastern Space Applications Center (NESAC), Department of Space, Government of India, Umiam Shillong, Meghalaya, India.
• “96th Indian Science Congress”, January 3-7, 2009, organized by North-Eastern Hill University, Shillong, Meghalaya, India.
• National Seminar on “Toxicity of Chemicals & their Hazards with Special Reference to Heavy Metals”, October 23-24, 2008, organized by St. Edmund’s College, Shillong, Meghalaya, India (Co-sponsored by DAE-BRNS, Mumbai; DST, N. Delhi; UGC-NERO, Guwahati; DRDO, N. Delhi; UCIL, Jharkhand; SBI-Laitumkhrah, Shillong; SDSTE, Govt. of Meghalay)
• National Symposium on “Frontiers in Biocomplexity and Biodiversity”, March 14-15, 2008, organized by Centre for Advance Studies in Botany, North-Eastern Hill University, Shillong, Meghalaya, India (Co-sponsored by UGC, N. Delhi; DBT, Govt. of India, N. Delhi; DST, Govt. of India, N. Delhi; CSIR, N. Delhi)
• “Applications of Bioinformatics”, February 13-15, 2007, conducted by Bioinformatics Centre, North-Eastern Hill University, Shillong, Meghalaya (funded by the Department of Biotechnology, Ministry of Science & Technology, Govt. of India)
• Workshop on “Conservation and Sustainable Utilisation of Medicinal Plants of North-East India”, May 27-28, 2004, (sponsored by Ministry of Environment & Forests, Govt. of Inda.) North Eastern Hill University, Shillong, Meghalaya, India
• Training Course on “Database Creation with Emphasis on Biodiversity”, March 29-31, 2004, conducted by the Bioinformatics Centre. North Eastern Hill University, Shillong, Meghalaya, India
•  “Liberty & Society Seminar”, November 7, 2003, organized by Centre for Civil Society and Eco-Systems India, NE Centre. St. Edmund’s College, Shillong, Meghalaya, India
• “90th Science Congress 2003”, January 3-7, 2003, hosted by ISRO & Bangalore University. Jnana Bharathi Campus, Bangalore University, Bangalore, India
• “72nd Annual Session of the National Academy of Sciences & National Symposium on ‘Biodiversity: A Scientific Approach- Agenda for the 21st Century”, October 25-27, 2002, organized by North-Eastern Hill University. North Eastern Hill University, Shillong, Meghalaya, India
• Training Course on “Basic Computer Concepts and Applications”, June 12-14, 2000, conducted by the Bioinformatics Centre. North-Eastern Hill University, Shillong, Meghalaya, India
• “Application of Radioisotopes and Radiation Technology”, November 26-27, 1999, organized by National Association For Application of Radio Isotope & Radiation in Industry (NAARRI) Mumbai & Regional Sophisticated Instrumentation Centre (RSIC) Shillong, Meghalaya, India
• National Seminar on “Role of Microbes in Environmental Protection and Rural Development”, October 23-25, 1998, organized by Dept. of Botany, NEHU, Shillong and International Society for Conservation of Natural Resources, Banaras Hindu University. North-Eastern Hill University, Shillong, Meghalaya, India
• International Geosphere Biosphere Programme (IGBP) sponsored Workshop on “Agriculture, Biodiversity and Climate Change”, March 9-10, 1998, North Eastern Hill University, Shillong, Meghalaya, India
• National Symposium on “Role of Plant Biochemistry and Biotechnology in Improving Crop Productivity”, March 18-20, 1997. Sponsored by Society for Plant Biochemistry and Biotechnology, New Delhi & ICAR Research Complex for NEH Region, Barapani, Meghalaya, India