The court also considered the submisison on alleged differences among various authorities and between Centre and the Delhi government and asked them to devise a "common minimum programme" at least for taking steps to deal with the pollution menace.
"We want to know whether you (Centre) have any disaster management plan. Do you have a policy which deals with graded responses to the situation and provides what action would be taken at which stage?
During the 30-minute long hearing, the bench sought to know from Solicitor General Ranjit Kumar, representing the Centre, about the policy to deal with the rising pollution levels and asked whether the Centre monitored the situation.
There should be a policy with regard to steps to be taken at every stage such as at level one, particular decisions would be taken and at level two, odd-even scheme would be implemented and at level three, schools would be closed, the bench suggested while giving illustrations on possible graded responses to emerging situations.
"In last 60 years, Delhi has grown in such a manner where there has been unregulated urbanisation. The vehicles have grown in numbers. If you cover a distance in one hour and 20 in contrast to 20 minutes, then it adds to pollution," he said and sought two days time from the court to seek instructions from the Centre in the matter.
Meanwhile, Delhi government informed the court that it has so far acquired six vacuum cleaning vehicles and two have been already made functional.
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