Ludhiana, Dec. 4 -- Two dyeing units, allegedly operating secretly in the Haibowal Dairy Complex, were spotted during an inspection by a team, led by Rajya Sabha member Balbir Singh Seechewal, officials said on Thursday. Jaspal Singh, executive engineer of the Punjab Pollution Control Board (PPCB), said that these units appeared to be dairies from outside. The inspecting team came to know about the operation after it entered the premises, he said, adding that PPCB officials directed them to shut their business.

Officials from the Municipal Corporation, drainage department, PPCB and rural development department were part of the inspection team. Meanwhile, Seechewal claimed that there have been major improvements in the water quality of th...