RO manufacturers move SC against ban on RO filters by NGT

RO manufacturers have moved to Supreme Court against ban on RO filters by National Green Tribunal. 
Meanwhile, Delhi's ruling Aam Aadmi Party (AAP) had a different take on the matter.
Senior AAP leader Sanjay Singh tweeted, "May2019, NGT orders all ROs in Del where TDS less than 500 shud be banned. RO companies panic. NGT order challenged In SC.Matter listed tomo. BIS, which sets RO standards, comes under Paswan ministry. Paswan creates panic by releasing dirty water report, a week before SC hearing."