Area of Interest: Sampling survey,  Mathematical Statistics and Demography. 

Teaching Experience: 25 years

1. Asstt Teacher in Mathematics, St Anthony High School , Laitumkhrah, Shillong , 1999.
2. Lecturer in Mathematics, Sacred Hearth Boys Higher Secondary School, Mawlai, Shillong 2000.
3. Assistant Professor, Department of  Mathematics, Kiang Nangbah Govt College, Jowai, Meghalaya, 2001 - 2006
4. Assistant Professor in Statistics , Department of BSSS, School of Technology, NEHU,   2006  - 2018
5. Associate Professor in Statistics , Department of BSSS, School of Technology, NEHU, 2018  - Till date

Administrative responsibilities  and other service

1. Head , Department of Basic Sciences and Social Sciences, NEHU (28.11.2022 – 27.11.2025)
2. University Proctor,  Shillong Campus (18.08.2023 – 18.10.2025).
3. Program Officer, NSS Unit NEHU, National Service Scheme, Aug 2011 to Aug, 2015.
4. Member, Departmental Examination committee, Moderation Committee, Library committee, Annual Committee and Purchase committee.
5. Member of Board of Studies of Architecture department, NEHU 16.05.2016 - 15.05.2019,  13.10.2025  -  12.10.2028.
6. Member of Board of Studies of Electronics and Communication Engineering, NEHU (30.07.2019 – 29.07.2022 ).
7. Member of Board of Studies of Biomedical Engineering department, NEHU (01.09.2022 – 31.08.2025).
8. Member of School Board of Technology, NEHU (21.07.2022 – 20.07.2025).
9. Member,  University Editorial Board of the Annual Report committee 2022 – 2023, 2023  - 2024.

PhD Thesis supervised and Ph. D.  Awarded:

1. Ms Worthing Yanglem, Scholar Dept. of Statistics, NEHU.   Thesis Title “Preliminary test regression estimators in Two-stage sampling using Ranked set sampling in secondary frame”.   PhD Awarded.
2. Mr Ronald Kurbah,   Ongoing   
3. Ms Mhalo Ovung,   Ongoing  
4. Ms F Lalthlamuanpii, Scholar Dept. of Statistics, NEHU,   Thesis Title “Optimum Cluster Sampling under the Heteroscedastic Regression Super population model “.                         PhD Awarded.

Research Projects

Publications

1. Deigracia Nongkynrih  and  Phrangstone Khongji : Measuring Vulnerability of Female Domestic Workers in Shillong City, Meghalaya,  Indian Journal of Labour Economics ,  Springer,  2025, 68(14). ISSN No and DOI of the paper: 10.1007/s41027-025-00560-6
2. Yanglem, W and Khongji, P. (2024) Ranked Set Sampling Based Regression Estimators in Two???Stage Sampling Design, Journal of Statistical Theory and Applications(Springer) ,Volume 23, pages 442–455, (Dec 2024) . https://doi.org/10.1007/s44199-024-00092-w (SCI Web of Science, UGC care)
3. Kurbah,D and Khongji,P and Hynniewta, B,K. (2024) Efficient rank set sampling estimators of Mean using Median under double sampling with two auxiliary variables, Advances and Applications in Statistics, Volume 91, Number 8,  Pages 943-968(2024 May) ttps://doi.org/10.17654/0972361724051 ,  (SCI Web of Science, UGC care)
4. Yanglem, W and Khongji,P, Singh , S. O. (2024) Stratified Two-Stage Cluster Sampling  Design With Ranking, Advances and Applications in Statistics, Volume 91, Number 2, 2024, Pages 205-215( Feb, 2024), http://dx.doi.org/10.17654/0972361724013 . (SCI Web of Science, UGC care)
5. Kurbah,D and Khongji,P. (2024) A New Exponential ratio type estimator of Population mean using Mean and Median with two auxiliary variable under double sampling, Thailand Statistician, 22(2), 458 – 470. 2024(April)  .   (Scopus, UGC CARE journal)
6. Yanglem, W  and Khongji,P. (2023) Preliminary test regression estimator in double sampling based on two-stage and ranked set sampling with two auxiliary variables, Journal of the Indian Society for Probability and Statistics(Springer).  Vol 24, Issue 1, pp 53 – 63. (June, 2023)https://doi.org/10.1007/s41096-022-00144-3,  (SCI Web of Science, UGC care)
7. Kurbah,D and Khongji,P. (2021)An Improved Estimator of the Population Mean under Double Sampling using Median, International Journal of Ecological Economics & Statistics, Vol 42, Issue No 1, pp 78 – 93, 2021. (Scopus, UGC CARE journal).
8. Khongji (2019) To study behavioral and socio economic factors of Non communicable diseases in Northeast India using NFHS-4,  Indian Journal of Public Health Research and Development,   Volume.10, No 7, pp.224 – 229. July 2019  (UGC CARE journal)
9. Khongji (2019) Implications of Population Projection on some health indicators for states in North East India till 2031. International Journal of Research and Analytical Reviews , E-ISSN 2348-1269, P- ISSN 2349-5138, Volume.6, Issue 2, Page No pp.556-565, June 2019.  (UGC listed journal)
10. Khongji, P. (2019) To study some Economic implications of Population Projection for States in North East India till 2031. Indian Journal of Economics and Development. February 2019, Vol 7 (2), 1-8.
11. Khongji, P. (2019) Implications of Population projection on some Health Indicators for States in North East India till 2031. International Journal of Research and Analytical Reviews, Volume.6, Issue 2,
12. Khongji, P. (2019) Implications of Population projection on some Social and Economic indicators for States in North East India till 2031. International Journal of Social Science and Economic Research, May 2019, Vol 4(5), 3503 -3550.  (UGC listed journal)
13. Khongji,P and Lalremruata,R.(2019) "A study on the level of tobacco smoking among women in the state of Mizoram", International Journal of Research and Analytical Reviews , E-ISSN 2348-1269, P- ISSN 2349-5138, Volume.6, Issue 2, Page No pp.453-464, May 2019.  (UGC listed journal). Available at : http://www.ijrar.org/IJRAR19K2357.pdf  
14. Khongji, P and Lalvenmawii,(2019) "Study of ideal family size among women in the state of Mizoram", International Journal of Research and Analytical Reviews, E-ISSN 2348-1269, P- ISSN 2349-5138, Volume.6, Issue 2,  Page No pp.469-480, May 2019.  (UGC listed journal)              Available at :http://www.ijrar.org/IJRAR19K2359.pdf  
15. Melody L sangi,  Khongji, P.(2019).  "Studying the coverage of Health insurance among women in Mizoram", International Journal of Research and Analytical Reviews , E-ISSN 2348-1269, P- ISSN 2349-5138, Volume.6,    Issue 2, Page No pp.790-800, May 2019.  (UGC listed journal) .  Available at : http://www.ijrar.org/IJRAR19K2408.pdf  
16. Khongji, P and Nongkynrih, D (2018) Labour Supply and Unemployment Projections for North East India (2011 - 2031), Arthshastra, Indian Journal of Economics and Research, Vol 7, Issue 6, pp 30 – 42.
17. Mawiong AM, Senjam GS, Haobam M, Singh NH, Khongji P.(2018). A study of Psychiatric Co- morbidities among treatment seekingOpioid injectors attending tertiary care teaching Hospital, Imphal for a periodof 2 years. J Med Soc 2018;32:174-7.
18. Khongji, P ( 2017) Extrapolation of life expectation at birth up to year 2051 through distribution fitting of age specific death rates and using life table for the states in North east India.SMU Medical Journal, Volume  4, No.  1, January, 2017, pp 95 - 117
19. Khongji, P ( 2017) Ranking of districts in North East states of India by the use of Standard of Living Index using 2001 and 2011 census. Accepted to be published in International Journal of Economic Research, Vol.14. No 10, pp 1 – 10.
20. Khongji, P ( 2017) Projection of populations by age and sex for States in North East of India for 2011- 2031, International Journal of Interdisciplinary and Multidisciplinary Studies , 2017, Vol 4, No.3,150-169.
21. Khongji, P ( 2016) Socio economic and demographic differentials in the prevalence of chronic diseases across states in North East India.(Evidences from DLHS 4), SMU Medical Journal,Volume 3, No. 2, pp 162 – 185.
22. Khongji, P and Nongbsap, W(2015). Some Innovations in Teaching of Mathematics (at Under Graduate level). International Journal of Sciences and Research, Volume 4, Number 7, pp 1345 – 1349. ISSN (Online): 2319-7064.
23. Khongji, P (Feb, 2015) Skill mapping towards enhancing employability among final year Graduate and Post graduate students (A case study of some selected instututions in Sambalpur and Shillong),  International Journal of Interdisciplinary and Multidisciplinary Studies (IJIMS), Vol 2, No.4, 131-144, ISSN: 2348-0343.Rita International Publisher, Kolkata 700042, India.
24. Khongji, P ( 2015) An investigation into Socio economic and demographic variation of Cancer incidences: A study among the Khasi Tribe in Meghalaya.Tribal Health Bulletin, Vol 22, No 1&2, 1-14,  Regional Medical Research Centre for Tribals (Indian Council of Medical Research) Jabalpur,  ISSN 0971-4677
25. Khongji, P (2013). Projection of populations by age and sex for MeghalayaState for 2001- 2051, Asian Academic Research Associates(Multidisciplinary Journal), Vol 1 No 8, 179 – 204.(Online ISSN : 2319-2801)
26. Khongji, P (2013). Determinants and trends of an ideal family size in a Matrilineal set up, NEHU Journal ,Volume 11, Issue No: 2, 37-54.(ISSN: 0972-8406).
27. Khongji, P (2013). Levels and Trends of Infant and Child Mortality in Meghalaya: Result from Life Table and Hazard Analysis, Journal of North East India Studies, Vol 3, No 2 (2013), pp 1-14.ISSN 2278-1455
28. Khongji, P and Das, G.(2012): Studies on Some preliminary test estimators in Double sampling,Journal of Indian Society of Agricultural Statistics ,66(3), 381 – 390.(ISSN: 0019-6363)
29. Khongji, P (2012): The NFHS-3 Data on Infant and Child mortality in Meghalaya: Result of Life table and Multivariate Hazard analysis, NEHU Journal, Vol X(2), 15 – 31.(ISSN: 0972-8406).
30. Khongji, P (2012) Extrapolated trend of Cancer incidences in North Eastern States of India”, at the International Conference on Global Public Health 2012 held in Colombo, Sri Lanka on 3-4 Dec 2012, Global Public Health Conference Proceedings , 2012  Sri Lanka. pp 269 – 287.   ISBN 9772279235001

Papers presented in Conferences/Seminars

1. Presented a paper at the IX International Symposium on Statistics and Optimization held the department of Statistics and Operation research, Aligarh Muslim University from 28^th to 29^th October 2023.
2. Presented a paper at the National seminar on youth and skill development of India at ICSSR Regional center, Shillong conducted by VVGNLI, Noida from 26^th to 27^th March, 2019.
3. Presented two papers at the 37^th Annual conference if IASP held at IEC, Delhi University from 7^th to 9^th December, 2016.
4. Presented a paper at the International Conference on Global Cancer summit held at Bangalore from 18^th to 20^th November, 2015.  Paper Title “An investigation into socio economic and demographic variation of cancer incidences: a Study among the Khasi tribe in Meghalaya”.
5. Presented a paper at the International Conference on “Recent advances in Mathematical Statistics and its applications in applied sciences”, held at Guwahati University from 31^st December 2012 to 2^nd January, 2013 .
6. Presented a paper at the International Conference on Global Public Health held at Colombo, Sri lanka, and organized by International center for health and development from 3^rd to 4^th December, 2012.
7. Presented a paper at the National Conference on Statistical Theory and Practice held at Guwahati University from 23th to 24^th December, 2011.

Consultancy

1. Data analysis and Interpretation in the for the MD dissertation RIMS Imphal of Dr Andree Mawiong from July 2014 to Dec 2014.
2. Data analysis, interpretation and evaluation for the Project “Needs assessment study to identify the gaps in the Legal empowerment of people in the eight North eastern states of India” for Impulse NGO network, during the period Jan 2014 to August 2014.
3. Data analysis and Interpretation in the for the PhD dissertation of Dr Shailynti Lyngdoh , Department of Economics, NEHU from Feb  to  August  2016.

Membership of Professional Bodies

1. Indian Society for Probability and Statistics – Life Membership
2. Indian Society for Agricultural Statistics – Life Membership
3. IIPS Alumni Association -   Life Membership
4. NEHU Alumni Association-   Life Membership.

Any other Activities

1. Organized the National Conference on “Recent Trends in Applied Sciences: A Special Focus on Nanoscience and Nanomaterials” (RTAS-2024)  held on 22nd  - 23rd March, 2024, in the Department of Basic Sciences and Social Sciences, NEHU(Conference Chairman: Dr. Phrangstone Khongji, HOD, Dept. BSSS, NEHU, funded by NEHU and amount sanction is one lakh)
2. Participated as a Resource person an enrichment Program on “Graph Theory and its Application” for the department of Mathematics at Kiang Nangbah Govt College, Jowai, Meghalaya on the 18^th May, 2023.
3. Participated as a Resource person on a one day webinar Program on “Recent Advances in Mathematics and Statistics ” for the department of Statistics and Mathematics at Sanker Dev College, Shillong Meghalaya on the 6^th Nov , 2024.
4. Chairing a session at the International seminar on “Attracting Best talents in Basic Sciences”, organized by the Shillong College and held on the 24^th and 25^th July, 2013.
5. Guest lecturer in the Department of Statistics, NEHU Feb  - May 2018,  Aug – Nov  2018,  Feb – June 2019,  Aug – Nov  2021.
6. MSc Statistics Dissertation supervised Mr R Lalremruata, (2017 – 2019),Ms Lalvenmawii (2017 – 2019), Ms Melody Lalunsangi (2017 – 2019).
7. Joint Secretary, NEHUTA (2018 – 2019), Joint Secretary NEHUAA(2022 – till date).
8. Participated as PO at the Adventure Camp(Skiing) at the ABVIMAS Manali as part of the NSS camp during 3^rd to 12^th march, 2012.