Open problems · Cities, housing & transport
Unauthorised colonies without sewers
Unauthorised colonies such as Burari and Karawal Nagar still lack sewers. About 1,800 such colonies across Delhi lack basic services.
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What we know
Delhi has about 1,800 unauthorised colonies, many of which have grown since the 1960s. Residents still lack sewers, water lines and roads.
In North East Delhi, colonies such as Burari and Karawal Nagar are unplanned and have no sewers.
Open questions
- Which colonies in North East Delhi have sewer lines, and which are still waiting?
- How much has been sanctioned for sewers in unauthorised colonies, and how much spent?
- How have other cities brought services to informal settlements?
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