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1.
S₁: Urban problems differ from State to State and city to city.
S₆: There is no'underground drainage system in- most cities, and the narrow historical roads are already congested.

P: Most of the cities have neither water nor the required pipelines,
Q: The population in these cities has grown beyond , the planners' imagination.
R: However, certain basic problems are common to all cities.
S: Only broad macro - planning was done for such cities, without envisaging the future growth, and this has failed to meet the requirements.