- Division
- Darbhanga (HQ)
- Urban body
- Municipal corporation
- Lok Sabha
- Darbhanga
Darbhanga heads a three-district division with Madhubani and Samastipur, in the heart of Mithila, and a Maithili-speaking interviewer changes how openly people talk. A political survey company in Darbhanga has to separate corporation wards from low villages that stay waterlogged after the monsoon. As an election survey agency in Darbhanga we set quotas by assembly segment; as a market research company in Darbhanga we split town shops from haat traders. A data collection agency in Darbhanga marks boat-access villages in the plan, a door to door survey agency in Darbhanga logs every locked house, and the booth management app Darbhanga volunteers carry holds booth tasks, not voter records.
- Division
- Purnea (HQ)
- Urban body
- Municipal corporation
- Lok Sabha
- Purnia
Purnia heads the Purnea division with Katihar, Araria and Kishanganj, the area often called Seemanchal. Hindi, Urdu and Bangla can all turn up in one block, so as a survey agency in Purnia we pilot questionnaires in more than one script. A political survey company in Purnia or an election survey agency in Purnia records adults working away, because migration decides who is home. A market research company in Purnia covers maize traders apart from town retail. A data collection agency in Purnia or a door to door survey agency in Purnia keeps Kosi-channel villages on their own route, and the booth management app Purnia teams use saves offline.
- Division
- Purnea
- Urban body
- Municipal corporation
- Lok Sabha
- Katihar
Katihar is a railway junction town near where the Ganga and Mahananda systems meet, with a working population not always registered locally. A survey agency in Katihar decides early whether railway colonies belong in the sample. We work as a political survey company in Katihar and an election survey agency in Katihar with separate quotas for riverine villages cut off in the rains. A market research company in Katihar study can follow jute and makhana from farm to market. A data collection agency in Katihar or a door to door survey agency in Katihar uses offline forms with consent-based photos, and booth management app Katihar volunteers file reports that sync later.
- District
- Saran
- Urban body
- Municipal corporation
- Lok Sabha
- Saran
Chhapra is the headquarters of Saran district and of a division that also takes in Siwan and Gopalganj. Its assembly seat votes in the Saran Lok Sabha constituency, not one named after the town, so a survey agency in Chhapra labels results by constituency name. Bhojpuri is the everyday language in most villages, and a political survey company in Chhapra or an election survey agency in Chhapra hires interviewers who speak it. A market research company in Chhapra samples wholesale markets against riverine blocks. A data collection agency in Chhapra or door to door survey agency in Chhapra builds ferry crossings into the day, and the booth management app Chhapra teams use works without signal.
- District
- West Champaran
- Urban body
- Municipal corporation (2020)
- Lok Sabha
- Paschim Champaran
Bettiah is the headquarters of West Champaran, a district on the Nepal border that holds the Valmiki Tiger Reserve; the town became a municipal corporation in 2020. A survey agency in Bettiah treats forest-edge villages as their own stratum. The Bettiah seat votes in Paschim Champaran, and a political survey company in Bettiah or an election survey agency in Bettiah should report under that name. Cane farms give a market research company in Bettiah a clear brief on growers and dealers. A data collection agency in Bettiah or door to door survey agency in Bettiah records cross-border family members carefully, and the booth management app Bettiah campaigns use holds tasks only.
- Division
- Kosi (HQ)
- Urban body
- Municipal corporation
- Neighbours
- Madhepura, Supaul
Saharsa heads the Kosi division with Madhepura and Supaul, the stretch most exposed to the Kosi's floods and shifting channels. As a survey agency in Saharsa we check a village's current access before assigning it, because last year's road may be under water. A political survey company in Saharsa or election survey agency in Saharsa gets fuller households after the water recedes. A market research company in Saharsa brief on fish or paddy trade starts at the mandis. For a data collection agency in Saharsa or door to door survey agency in Saharsa round on relief, GPS shows which embankment villages were reached, and the booth management app Saharsa teams use syncs later.
- District
- Vaishali
- Urban body
- Nagar parishad
- Lok Sabha
- Hajipur
Hajipur, headquarters of Vaishali district, faces Patna across the Ganga, and many residents commute to the capital. It is a nagar parishad, not a corporation. A survey agency in Hajipur decides whether commuters are met at home in the evening. The town's seat is in the Hajipur Lok Sabha constituency, and a political survey company in Hajipur or an election survey agency in Hajipur reads town and banana-growing villages separately. For a market research company in Hajipur, the industrial area and fruit trade are two samples. A data collection agency in Hajipur or door to door survey agency in Hajipur finishes the town quickly, and the booth management app Hajipur volunteers use runs on basic Android phones.
- Division
- Saran
- Urban body
- Nagar parishad
- Lok Sabha
- Siwan
Siwan is a nagar parishad town and district headquarters in Saran division, on the Uttar Pradesh border. Many households have members working elsewhere, so a survey agency in Siwan records absent members and who answers for them. A political survey company in Siwan or an election survey agency in Siwan samples the Siwan seat inside the Siwan Lok Sabha constituency and keeps border blocks visible. Remittance spending makes a market research company in Siwan study on building materials and phones worthwhile. A data collection agency in Siwan or door to door survey agency in Siwan sends women enumerators where women run the household, and the booth management app Siwan teams use stores notes offline.
- District
- East Champaran
- Urban body
- Municipal corporation
- Lok Sabha
- Purvi Champaran
Motihari is the headquarters of East Champaran, the district where Gandhi's 1917 satyagraha began; Raxaul, the main road crossing to Nepal, is in the same district. A survey agency in Motihari treats the border trade town and the headquarters as two places. The Motihari seat votes in Purvi Champaran, so a political survey company in Motihari or an election survey agency in Motihari reports under that name. A market research company in Motihari can sample Raxaul traders and inland farm households. A data collection agency in Motihari or door to door survey agency in Motihari draws block routes a week ahead, and the booth management app Motihari volunteers use needs no network.
- Division
- Munger
- Urban body
- Municipal corporation
- Lok Sabha
- Begusarai
Begusarai lies north of the Ganga yet sits in Munger division, which matters when a brief says Munger division and means the south bank. The Barauni refinery gives it an industrial workforce unusual for the region, so a survey agency in Begusarai samples townships and villages separately. A political survey company in Begusarai or election survey agency in Begusarai builds the Lok Sabha seat from its assembly segments. A market research company in Begusarai brief on dairy or two-wheelers finds salaried and farm buyers side by side. A data collection agency in Begusarai or door to door survey agency in Begusarai marks wetland villages as slow routes; the booth management app Begusarai teams use holds booth tasks only.
