India, Jan. 10 -- At least 163 red-category medium and large industrial units in Haryana, including 28 in Gurugram, have been issued show-cause notices on Wednesday for not registering on the new online continuous emission monitoring system (OCEMS), said Haryana State Pollution Control Board (HSPCB) officials on Friday.

Earlier on Wednesday, the Central Pollution Control Board (CPCB) had issued directions to the state authorities to provide a 15-day extended window to industries for installing the air pollution control devices (APCDs) and comply with the new OCEMS.

According to the CPCB's directions on Wednesday, the units that fail to enrol on the portal on or before January 22 will be prohibited from operating in NCR. An updated compl...