New Delhi, Nov. 15 -- The Municipal Corporation of Delhi (MCD) has stepped up its GRAP-3 enforcement with coordinated drives across several zones, targeting polluting industrial units, insanitary hotspots and biomass burning to curb rising pollution levels, an official said on Friday.

In West Zone, a joint team of the MCD, Delhi Pollution Control Committee (DPCC), BSES and the Sub-Divisional Magistrate carried out a crackdown on illegal industrial units operating in Bindapur's Ward 116.

"Four establishments, including two coal-fired bhatti units, a chemical factory and a noodle manufacturing unit, were sealed for violating pollution control regulations," an officer mentioned.

Authorities said these units were identified as significant co...