New Delhi, Oct. 21 -- The Central Consumer Protection Authority (CCPA) has initiated regulatory action against seven online platforms over the unauthorised listing, advertising and facilitation of sales of regulated and hazardous explosive substances, including ammonium nitrate, gunpowder, picric acid and pentaerythritol tetranitrate (PETN).

Following the CCPA's intervention, 3,940 sellers were delisted from the platforms, the Ministry of Consumer Affairs, Food and Public Distribution said in a press release issued on October 19.

The platforms named by the authority are IndiaMART, TradeIndia, Dial4Trade, Justdial, Sigma-Aldrich India, ExportersIndia and Ibuychemikals.

The CCPA has imposed penalties totalling Rs.30 lakh on Dial4Trade an...