- Performance of Grading Index (PGI) Scores for School Education by Category and Grade in Peren District of Nagaland (2021-2022)
- Performance of Grading Index (PGI) Scores for School Education by Category and Grade in Peren District of Nagaland (2020-2021)
- Performance of Grading Index (PGI) Scores for School Education in Peren District of Nagaland (2019-2020)
- Performance of Grading Index (PGI) Scores for School Education by Category and Grade in Peren District of Nagaland (2019-2020)
- Performance of Grading Index (PGI) Scores for School Education by Category and Grade in Peren District of Nagaland (2018-2019)