The Delhi government has capped the charge of transportation of oxygen cylinders, an official order said on Tuesday.
During the interrogation, it was revealed that they are members of a gang led by Chhote Chaudhary who is operating the gang for 2-3 years from Nalanda.
Two African nationals have been arrested for allegedly cheating people on the pretext of providing them oxygen cylinders.
Two men were arrested for allegedly being involved in black-marketing of oxygen concentrator machines, police said.
A team of event managers have set up a 24 hours helpline to help people with real-time updates on oxygen supplies.
The court told the Delhi government to give it one instance of who was obstructing the oxygen supply and said 'we will hang that man'.
Delhi BJP spokesperson Praveen Shankar Kapoor said oxygen is available in industrial zones but the rates differ across the city and keep changing every hour.