Case study · Navi Mumbai Municipal Corporation

The voice behind Navi Vani

Navi Vani (NAVI-VANI) is Navi Mumbai Municipal Corporation's AI-led citizen engagement assistant, built by AllContext.AI. HaHello is its engagement runtime: the layer that actually speaks to citizens.

Navi Vani (NAVI-VANI), HaHello multilingual voice AI for NMMC property-tax recovery Navi Mumbai · 7-day live pilot · March 2026
30,171calls made
17,623properties called
2,000properties paid after the call
₹88.84 Crcollected from called properties during the pilot period
3–5campaign operators instead of a telecalling team of around 50
Watch

Navi Vani for Navi Mumbai Municipal Corporation. Watch on YouTube

The pilot

How HaHello spoke for Navi Vani

In a 7-day live pilot in March 2026, HaHello held property-tax conversations in Marathi, Hindi and English, running up to 50 calls at the same time.

  • Reminded every ownerof their due amount, in their own language.
  • Captured commitmentspayment commitments and callback requests, on the call.
  • Followed up on WhatsAppautomatically, after each conversation.
  • Handed over to officerswhenever a human was needed.
The system

One of six Navi Vani agents

HaHello is one of six agents in Navi Vani. The other five decide who to call, why, and when, and link each payment back to the conversation that preceded it.

  1. Property research
  2. Segmentation
  3. Recovery propensity
  4. Next best action
  5. Multilingual voice engagement · HaHello
  6. Revenue attribution
Recognition

A SKOCH Award nominee

In the news

NMMC's record collections

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