Bihar Special Survey Amin case studies
Bihar Special Survey Amin · Put your knowledge to work in context.
The Bihar Special Survey Amin credential is a state-level recruitment qualification for survey assistants who work on land measurement, cadastral mapping and field record-keeping under Bihar's revenue and survey administration. It suits candidates with a diploma or certificate background in surveying, civil or rural engineering, or those who have trained in chain, plane table and theodolite work and want a field-based government role. The examination tests practical surveying knowledge rather than abstract theory: measurement fundamentals, instrument handling, plane table and chain methods, levelling and contouring, theodolite traversing and computation, cadastral surveying and land-record practice, drawing and field-record discipline, plus supporting mathematics, Bihar-specific general awareness and reasoning ability. Preparation should follow that order of priority. The Bihar Special Survey Amin case studies are 5 cases and about 2,893 words.
1Traverse Misclosure in a Village Abadi
A closed traverse ABCDE was run around a village abadi in Muzaffarpur district to fix boundary pillars for a cadastral sheet. The legs were measured with a 30 m steel tape and the angles with a 20-second theodolite.
611 words, about 3 min2Reciprocal Levelling Across the Budhi Gandak
A level and staff are used to transfer a bench-mark level across the Budhi Gandak near a bridge site in Begusarai district. The river is about 180 m wide, so the instrument cannot be set midway.
613 words, about 3 min3Khatiyan Area Versus Field Measurement
An amin is asked to verify a boundary dispute in village Dihri, Nalanda district. The khatiyan shows plot 412 as 0.32 acre and plot 413 as 0.27 acre.
603 words, about 3 min4Angular Misclosure on a Canal Traverse
A four-sided closed theodolite traverse is run along a canal head regulator at a site in Rohtas district. The instrument is a 20-second vernier theodolite, and angles are read by the repetition method.
522 words, about 3 min5Sheet Junction Offset and a Doubtful Field-Book Entry
A fair sheet at 1:2000 is being compiled for a village in East Champaran. The field book gives the distance between traverse stations 17 and 18 as 62.40 m.
544 words, about 3 min