Maharashtra · LLM human data
Human Data for LLM Projects in Mumbai
Human-generated text and speech for LLM training and evaluation in Indian languages: prompts, preference rankings, instruction-response pairs, red-teaming and cultural-fit review. In Mumbai, this runs from our local studio setup: Treated booths in the western suburbs with parallel session capacity for multi-speaker conversation work.

- City
- Mumbai, Maharashtra
- Languages here
- 6
- Turnaround
- 2-6 weeks depending on task complexity and contributor screening depth.
Languages recorded in Mumbai
- Marathi
- Hindi
- Hinglish
- Gujarati
- Urdu
- Indian English
Local dialect profile
Bambaiya Hindi-Marathi contact speech with constant three-way switching; the densest code-mixing environment in India.
Migrant-heavy, so speakers of almost any Indian language can be found, but native-region screening is essential.

Technical specification
| Parameter | Standard |
|---|---|
| Task types | Prompt writing, response ranking, instruction-response pairs, adversarial testing |
| Languages | Any language in the network, including code-mixed Hinglish |
| Contributors | Screened by domain, education band and language proficiency |
| Agreement | Overlapping assignments with adjudication |
| Provenance | Per-item contributor and time records |
Process
- Task specification and rubric design
- Contributor screening against the rubric
- Calibration round with feedback
- Production with overlap and gold items
- Adjudication and delivery
Deliverables
- Task data in your schema
- Rubric and calibration results
- Contributor metadata (anonymised)
- Agreement statistics
Why Mumbai for this work
Migrant-heavy, so speakers of almost any Indian language can be found, but native-region screening is essential.
Treated booths in the western suburbs with parallel session capacity for multi-speaker conversation work. Sessions here follow the same template as every other city in the network, so a multi-city cohort stays acoustically consistent.
Frequently asked
Do you have a studio in Mumbai?
Treated booths in the western suburbs with parallel session capacity for multi-speaker conversation work.
Which languages can you collect in Mumbai?
Marathi, Hindi, Hinglish, Gujarati, Urdu, Indian English. Other languages are possible where migrant communities are present, with residence and nativeness screening.
Can sessions run outside the studio?
Yes. Field recording in homes, vehicles and public spaces is available where your deployment conditions require it, with noise profiles documented per session.
Book llm human data in Mumbai
Send the language, speaker count and conditions.