Bengali language analysis (LADO): Bangladesh, West Bengal and regional speech
Bengali, or Bangla, is the sole official language of Bangladesh and an official language of West Bengal, Tripura and parts of Assam in India. One written standard serves both countries, but spoken Bengali varies widely by region and by side of the border. SILA Linguists® prepares Bengali language analysis that reads those differences carefully when a person's Bangladeshi or Indian origin is in question.
Bangladesh or India? Where Bengali analysis comes in
The commonest question in a Bengali case is a national one: was this person raised in Bangladesh, as they say, or in India, or the reverse? Regional questions follow close behind, for instance whether someone who names a particular district really speaks like a person from there. Such questions arise in asylum claims, appeals and immigration decisions, often where documents are missing or their authenticity is disputed.
Language analysis for the determination of origin offers an expert, reasoned opinion on these questions. It does not prove nationality, but it gives representatives and decision makers a structured account of what the speech shows and how strongly.
The markers that separate Bangladeshi and Indian Bengali
Standard written Bengali is shared across the border, yet Bangladeshi and Indian usage differ in vocabulary, spelling preference and pronunciation, and in some everyday words and forms of address. An analyst listens for these differences throughout an interview: in the vowels and consonants a speaker uses, in their intonation, in kinship and household terms, and in the words chosen for schools, offices and official documents.
Code-switching adds another layer. A person raised in India may switch into Hindi or English in ways that differ from a Bangladeshi speaker, while Bangladeshi speakers have their own patterns of English borrowing. The analyst records which language a person reaches for on which topic and explains what that pattern suggests about their background and schooling.
How a Bengali origin case moves forward
Brief us
Send the claimed country and district, the variety the person speaks at home, other languages and any recording or earlier report.
Choose the linguist
We match a native-speaker analyst with knowledge of Bangladeshi and Indian Bengali and of the regional speech involved.
Review the audio
The analyst checks existing recordings or advises on an interview that draws out natural speech about everyday life.
Explain the result
The report sets out Bangladeshi, Indian and regional explanations side by side, with the evidence and confidence for each.
Follow through
We answer questions, comment on opposing analyses and can provide an expert witness at the tribunal.
Regional speech: Sylheti, Chittagonian and the standard
Spoken Bengali changes considerably from one region to another. Sylheti in the north-east of Bangladesh and Chittagonian in the south-east are sometimes treated as dialects of Bengali and sometimes as separate languages, and many of their speakers understand standard Bengali while feeling more at home in their own variety. A claimant from either region may therefore show strong regional features even when speaking the standard.
Our analysts look for those features as evidence of origin: sounds, grammar and everyday words typical of Sylhet, Chattogram or other areas, and the way a speaker moves between regional speech and the standard. Where the regional variety is central to the question, SILA Linguists® can assign an analyst who speaks it natively. Our separate Sylheti page describes that work in more detail.
Our Bengali LADO method, step by step
The analysis is based on recorded speech, typically an interview or a guided conversation about home, family, schooling and everyday life. The analyst transcribes it with dialect features marked, then applies forensic phonetics, dialectology and sociolinguistics, using acoustic measurement software where it clarifies a sound or a stress pattern.
The stated origin is weighed against the other plausible origins, such as the neighbouring country or another district, and against the person's history of moves and work abroad. The written report explains methods and reasoning, discusses alternatives and states uncertainty. Our native-speaker analysts with linguistic training follow recognised codes of practice, and none of our LADO reports has ever been successfully challenged.
Bengali nationality assessment and combined reports
Where the question is Bangladesh versus India, a nationality assessment can complement LADO. It examines national institutional knowledge, administrative terms, familiarity with the education system and the documents a person from that country would hold, alongside the national standard features of their speech.
LADO then narrows the picture to a region or community. Read together, and alongside certified translations of the person's papers, the two give a more complete account. The linguist advises; the deciding authority decides.
Independent Bengali reports for representatives
Our analysts can prepare independent reports for solicitors, barristers, immigration advisers, refugee charities and individuals in the UK, North America, Australia, New Zealand and beyond, and for courts and tribunals. Second-opinion reports and expert witness evidence are available.
With over 6,500 trained, vetted and qualified interpreters and translators, one project team and confidentiality agreements for every linguist, SILA Linguists® keeps analysis, interpreting and translation consistent, with personal data handled under UK GDPR.
How LADO and nationality assessment fit together
- Nationality assessment works at national level: the macro view.
- LADO traces a speaker to a region, town or community: the micro view.
- Used together, they give the most robust and reliable picture.
Questions about this language analysis
Can Bengali analysis show whether someone grew up in Bangladesh or in West Bengal?
It can provide a reasoned opinion. Bangladeshi and Indian Bengali differ in vocabulary, forms of address, pronunciation and code-switching habits. The analyst explains which features point to each country and how strong the overall picture is.
Is Bangla the same as Bengali?
Yes. Bangla is the name of the language in Bengali itself, and Bengali is the usual English name. Our reports use the name the person uses and explain it where needed.
What if my client speaks Sylheti more comfortably than standard Bengali?
Tell us at the outset. Sylheti features are strong regional evidence, and we can assign an analyst and interviewer who speak Sylheti natively, so the person can speak in the variety they know best.
Language analysis by language
Pages for languages and dialects we are often asked to analyse, and for clients in particular countries.
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Albanian LADO
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Amharic LADO
Amharic language analysis for Ethiopian claims, including speakers who learnt Amharic as a second language.
Arabic LADO
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Burmese LADO
Burmese LADO that separates Irrawaddy valley speech, Rakhine and Tavoyan features, and Burmese learned as a second language.
Dari and Hazaragi LADO
Dari and Hazaragi LADO for Afghans and Hazaras raised in Afghanistan, Iran or Pakistan, with Farsi and Urdu influence assessed.
Dari LADO
Dari LADO focused on Afghan regional speech, Iranian Farsi contrast and the official vocabulary of Afghan documents.
Edo (Bini) LADO
Edo (Bini) LADO for people from Benin City and Edo State, with Nigerian Pidgin and English considered alongside Edo.
Eritrea: LADO and nationality
Tigrinya and Amharic LADO with nationality assessment for claimed Eritreans, including Eritreans raised in Ethiopia.
Georgian LADO
Georgian LADO reports covering regional dialects, Mingrelian and Svan backgrounds and Georgian communities in Turkey or Iran.
Ghanaian Pidgin LADO
LADO for speakers of Ghanaian Pidgin, weighing it against Nigerian Pidgin and drawing on Twi and Ghanaian English.
Gulf Arabic LADO
Khaleeji LADO comparing Kuwaiti, Bahraini, Qatari, Emirati and Eastern Province speech with neighbouring varieties.
Hassaniya Arabic LADO
Hassaniya LADO for Mauritania, Western Sahara and the wider Sahara, by analysts who know Klam el-Bidhan.
Kibajuni (Bajuni) LADO
Bajuni language analysis that tests Kibajuni speech from the southern Somali coast against Kenyan and Tanzanian Swahili.
Kpelle LADO
Kpelle language analysis that weighs Liberian against Guinean speech, including Liberian English, French and Maninka influence.
Kurdish Badini LADO
Badini LADO for the Duhok governorate, weighing Iraqi Badinan against Kurmanji speech across the Turkish and Syrian borders.
Kurdish Kurmanji LADO
Kurmanji LADO across Turkey, Syria, Iraq and Iran, using accent, vocabulary and contact languages to assess origin.
Kurdish LADO
Kurdish LADO that starts by identifying the variety: Kurmanji, Badini, Sorani, Southern Kurdish and neighbouring forms.
Kurdish Sorani LADO
Sorani LADO that separates Iraqi and Iranian Central Kurdish, from Erbil and Sulaymaniyah to Sanandaj and Mahabad.
Kuwaiti Bidoon LADO
Gulf Arabic LADO and nationality assessment for stateless Kuwaiti Bidoon whose Kuwaiti origin is disputed against Iraq.
Levantine Arabic LADO
Levantine Arabic LADO for Syrian and Palestinian claimants: Syria, Lebanon, Jordan, Palestinian communities and refugee camps.
Lingala LADO
Lingala LADO weighing Kinshasa and Brazzaville speech, French borrowing, urban slang and the speaker's other Congolese languages.
Maghrebi Arabic LADO
Darija LADO that separates Moroccan, Algerian, Tunisian and Libyan speech and reads French and Amazigh influence.
Mandinka LADO
Mandinka LADO placing speech in The Gambia, Casamance or Guinea-Bissau and separating it from Bambara, Maninka and Dyula.
Nigerian Pidgin LADO
Naija LADO separating Nigerian Pidgin from Cameroonian Pidgin and Krio, and Lagos from Niger Delta speech.
Oromo LADO
Oromo LADO that places speech in West Central, Eastern or Borana areas and weighs Ethiopia against Kenya.
Palestinian Arabic LADO
Palestinian Arabic LADO for urban, rural and Bedouin speech, compared with Jordanian and northern Levantine forms.
Pashto (Afghanistan) LADO
Pashto (Afghanistan) LADO weighing southern and northern speech and Dari or Urdu influence, with Pakistan as the main alternative.
Pashto (Pakistan) LADO
LADO for Pakhto speakers from Khyber Pakhtunkhwa, northern Balochistan and Karachi, including Urdu contact and Pakistani schooling.
Pulaar (Fulfulde) LADO
Fula LADO distinguishing Pulaar, Pular and Fulfulde varieties from Senegal and Guinea to Nigeria and Cameroon.
Punjabi LADO
Punjabi LADO separating Indian and Pakistani Punjab, Majhi, Doabi and Malwai from Pothwari and Mirpuri speech.
Rohingya LADO
Rohingya LADO distinguishing northern Rakhine State speech from Chittagonian, with camp and migration history considered.
Russian LADO
Russian LADO that looks beyond the standard language to local vocabulary and the first language beneath a speaker's Russian.
Somali LADO
Somali LADO that tells Northern, Benadir and Maay speech apart and weighs time spent in Kenya, Ethiopia or Djibouti.
Sudanese and Darfur LADO
LADO for Sudanese Arabic and the Darfur languages Fur, Zaghawa and Masalit, weighing Sudan against eastern Chad.
Sylheti LADO
Sylheti LADO for speakers from the Sylhet Division and India's Barak Valley, analysed apart from standard Bengali.
Tamil LADO
Tamil LADO comparing Jaffna, eastern and hill country Tamil from Sri Lanka with Tamil Nadu speech.
Tibetan nationality assessment
Nationality assessment for claimed Tibetans, supported by LADO: raised in Tibet, or in exile communities in Nepal or India?
Tigrinya LADO
Tigrinya LADO that tests whether speech was formed in Eritrea or in Tigray, with loanwords and second languages examined.
Turkmen LADO
Turkmen LADO comparing Teke-based standard speech with Yomut, Ersari and the Farsi-influenced Turkmen of Iran and Afghanistan.
Urdu LADO
Urdu LADO that looks beyond the national language to the first language, region and schooling a speaker's Urdu reveals.
Uyghur LADO
Uyghur LADO covering the dialects of Xinjiang and the Central Asian communities, handled in full confidence.
Uzbek LADO
Uzbek LADO telling Northern Uzbek of Uzbekistan from Afghan Southern Uzbek, with Russian, Tajik and Dari contact assessed.
Wolof LADO
Wolof LADO that weighs Senegalese against Gambian speech, French against English loanwords, and Dakar urban Wolof.
Yemeni Arabic LADO
Yemeni Arabic LADO across Sanaani, Taizzi-Adeni, Hadrami and Tihami speech, with Gulf and Saudi forms as comparisons.
By location
LADO in Norway
LADO for Norwegian lawyers, organisations and public bodies, with English reports and certified Norwegian translation on request.
LADO in Scotland
LADO for Scottish solicitors, advocates and charities, from legal aid asylum work to expert evidence at tribunal hearings.
Discuss a language analysis case
Tell us the language or dialect, the type of report you need (origin, age or second opinion) and your deadline.