After analyzing the Environmental Status of 88 Industrial Clusters selected in the country, Central Pollution Control Board in consultation with the Ministry of Environment & Forests has identified 43 critically polluted industrial clusters based on Comprehensive Environmental Pollution Index (CEPI). Out of 43 critically polluted industrial clusters, Najafgarh Drain Basin including Wazirpur, Naraina, Anand Parbat and Okhla industrial areas in NCT of Delhi is at 11th position with score of 79.54 (combined Air, Water and Land CEPI) in descending order arrangement based on CEPI.