Koul, M., Bhola, J. ., Gambhir, P. ., ., D., Batra, R. . and Koul, M. . (2026) “Progress or Persistence? A Comparative Analysis of Delhi’s Air Quality during Diwali over the Years”, INTERNATIONAL JOURNAL OF PLANT AND ENVIRONMENT, 12(01), pp. 1–7. doi: 10.18811/ijpen.v12i01.01.