A. . Nuna, “Impact Analysis of the NPEGEL A Study of Udalguri District of the State of Assam”, jie, vol. 41, no. 4, pp. p. 46–64, Feb. 2016, Accessed: Jun. 04, 2026. [Online]. Available: https://ejournals.ncert.gov.in/index.php/jie/article/view/2007