Source: Highlights The court was informed by the Delhi government counsel that refillers of oxygen cylinders were not providing details of supplies and refills The HC bench directed all the refillers of oxygen cylinders in Delhi to be present at the hearing on Tuesday following complaints of non-availability of gas cylinders and black marketing New Delhi: The Delhi High Court on Monday took strong note of black marketing in oxygen cylinders, reportedly being sold at Rs 1 lakh per unit in the national capital for treating seriously ill COVID-19 patients, and asked the AAP government to take action against those indulging in it, saying distribution of gas cylinders is "your baby".