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Delhi khawpui boruak hlauhawm khawpin a bawlhhlawh leh \an tawh a, mipuite fimkhur tura hriattir an ni.
Central Pollution Control Board, CPCB chuan Pathianni khan Delhi boruak chu hlauhawm chhinchhiahna aia let li vela sang a ni tih an sawi a, boruak thianghlim zawng tehna, Air Quality Index-a…