Urban housing societies in India struggle with soaring water tanker costs and unfair flat maintenance bills because water use is lumped into one flat fee. Families who use less water end up paying the exact same as neighbors who waste gallons daily, leading to constant fights at resident meetings.

Retrofitting smart sub-meters is technically possible, but residents push back because current apps and display units are confusing, expensive to install, and break down without local repair support. Design a complete system that makes consumption visible and fair so apartment dwellers actually want to adopt sub-metering.

Residents can understand their exact consumption and share of the bill in under thirty seconds without contacting the society office.

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