Thirty industrial units in Narela zone have been sealed by the North Municipal Corporation for allegedly illegally storing and recycling plastic. The action was taken with help from local police in pursuance of an order of the National Green Tribunal (NGT) regarding plastic collection and burning in Mundka and Nangloi areas. Besides, notices have been sent, directing the owners or occupants of such units to stop unauthorised activities like storing, segregating, recycling and burning of plastic or rubber waste in areas such as Nangloi, Mundka, Tikri Kalan and Ghevra, among others, the North corporation said in a statement. Electricity and water connection lines of the units would be disconnected by the respective agencies in future, the corporation said.