Dr. Inderjit Singh Grewal is a academician and researcher in the field of Sample Survey, with over two decades of teaching and research experience. He earned his B.Sc. (Non-Medical) from Panjab University, Chandigarh in 1989, followed by an M.Sc. (1992) and Ph.D. (1996) in Statistics from Punjab Agricultural University (PAU), Ludhiana. Dr. Grewal began his academic career as an Assistant Statistician at Regional Research Station, Abohar in 1997, then joined PAU as Assistant Professor in 1998, progressing to Associate Professor in 2006 and becoming a Professor in 2013. His core research interests lie in Sample Survey methodology, particularly in the application and development of Randomized Response Techniques. He has contributed to significant research projects, including the statistical evaluation of regional disparities in socio-economic development across Punjab. Dr. Grewal has authored numerous impactful research publications. His work includes statistical evaluation of agricultural development using factor analysis, application of geometric distribution in randomized response models, and estimation techniques for finite population variance.

Professional Accomplishments

Research Projects Completed:

• Statistical evaluation of regional disparities of socio-economic development in Punjab funded by UGC in 2013 as co-PI.

1. Estimation of multi-characteristics in Agriculture and Social Sciences funded by UGC in 2007 as Co-PI.

Research Publications:

1. Dubey R, Kaur S, Sahota P P and Grewal I S  2020. Comparative assessment of antimicrobial efficacy of laboratory prepared and commercial utensils and floor cleansers. Int Micro J  Curr App Sci . 9: 3534-3539. (NAAS rating  5.38)
2. Kaur M, Grewal I S, Sidhu S S 2022. Improved randomized response technique for estimating population proportion of a sensitive characteristic. Model Assist Stat App 17(2): 87-97. (NAAS rating  6.18)
3. Himlesh, Grover K, Singla N, Grewal I S and Singh D 2023. Diet counseling in pregnancy induced hypertension: Effect on the status of serum trace elements, electrolytes and neonatal health. Acta Scientific Nutritional Health 7(10): 03-08. (NAAS rating  7.31)
4. Neha J, Sharma S, Kang T K and Grewal  I S  2023. Assessing the Efficacy of a Life Skills Enrichment Program on Mitigating Peer Pressure among University Students. Int J Edu  Mgmt Stud, 13(2): 142-146. (NAAS rating  4.58)
5. Grewal I S, Bansal M L and Sidhu S S 2006. Population mean estimator corresponding to Horvitz-Thompson’s estimator for multi-characteristics using randomized response technique . Model Assist. Stat. Appl. 1(4): 215-220  (NAAS rating  6.18)