BharatNotes Yes. You may choose English, Hindi, or your declared Mains medium language for the interview. Declare this in DAF-II. You can also choose a different language from your Mains medium — for example, writing Mains in Hindi and interviewing in English is fully permitted and very common.
Interview Medium: The Formal Rules
According to UPSC Civil Services Personality Test (Interview) rules and DAF-II guidelines:
- You may use English, Hindi, or any Eighth Schedule language that you declared as your Mains medium for the interview
- This is declared in DAF-II, filed after Mains results are announced
- The interview board is constituted with language capability matching your declared medium
- You may switch between Mains medium and interview medium — a candidate who wrote Mains in Hindi may interview in English, and vice versa
Source: UPSC CSE Personality Test Rules; DAF-II guidelines, upsc.gov.in; IASGyan DAF-II analysis 2024
The Key Flexibility: Interview Medium ≠ Mains Medium
Unlike the Mains medium rule (where GS in English means optional in English), the interview medium is independently chosen in DAF-II. This creates the following options:
| Mains Medium | Interview Medium | Permitted? |
|---|---|---|
| English | English | Yes (most common) |
| Hindi | English | Yes (very common — roughly 70–80% of Hindi Mains candidates) |
| Hindi | Hindi | Yes |
| English | Hindi | Yes, but unusual |
| Tamil (Mains) | Tamil (Interview) | Yes |
| Marathi (Mains) | English or Hindi (Interview) | Yes |
| Any medium | A new language not in your Mains medium | No |
Who Actually Uses Hindi in the Interview?
Based on LBSNAA analyses and coaching institute surveys:
- Approximately 90%+ of interview candidates use English, even those who wrote Mains in Hindi
- Among Hindi-medium Mains candidates, roughly 70–80% switch to English for the interview
- A small but consistent group of Hindi-medium candidates who are genuinely more comfortable in Hindi — typically from UP, Bihar, Rajasthan, MP backgrounds — interview in Hindi with success
Why do Hindi Mains candidates switch to English for interview?
- UPSC interview boards include senior IAS/IPS officers, domain experts, and retired bureaucrats — many of whom have spent their careers conducting interviews in English
- Nuanced expression of personality — humour, personality, warmth — is harder to convey in a formal setting in a language the board may not be equally comfortable in
- English allows technical and policy discussion with more precision without needing Hindi equivalents for every term
When Hindi Interview Works Well
| Condition | Why Hindi interview succeeds |
|---|---|
| Board has Hindi-speaking members (request is accommodated) | Board will engage naturally in Hindi; conversation quality improves |
| Candidate is genuinely funnier, warmer, more articulate in Hindi | Personality shines through more effectively |
| Candidate's optional and background are Hindi-centric (Hindi Literature, rural administration) | Questions and discussions flow more naturally in Hindi |
| Candidate has done Hindi mock interviews extensively | Fluency and confidence are demonstrated; lack of preparation shows immediately |
Can You Switch Languages Mid-Interview?
Officially, no — you declare a medium and the board prepares accordingly. In practice, UPSC interview boards are experienced and humane: if you struggle with a specific English term, briefly clarifying in Hindi is unlikely to be penalised. However, relying on mid-interview switching as a strategy is dangerous — it signals preparation gaps rather than bilingual strength.
Choosing Your Interview Medium: Decision Checklist
Ask yourself:
- In which language do I naturally express wit, warmth, and spontaneity? — This is more important than fluency in policy discussion
- Have I done at least 5 mock interviews in the target language with experienced panelists? — If not, do not declare that medium
- Can I discuss my DAF topics (hobbies, home state, optional subject, past work) fluidly in this language? — These are the high-probability discussion areas
- Am I choosing English out of genuine comfort or out of peer pressure? — Both are valid reasons, but you must be honest about which applies
Mentor Tips
- If you wrote Mains in English, interview in English — the cognitive consistency is an advantage, and your panel will likely be more comfortable engaging in English.
- If you wrote Mains in Hindi and are a natural Hindi speaker, seriously consider interviewing in Hindi — Mohanlal Jakhar (AIR 53, CSE 2023) scored 190/275 in interview and is a documented Hindi medium success story.
- Prepare mock interviews in your chosen medium with panels that include at least one person who can challenge you sharply in that language. Uncontested preparation does not simulate the actual board.
