If you’re planning to construct a building in Bihar, knowing the minimum drawings required for approval can save you time, money, and stress. The Bihar Building Bye-Laws, 2014 (amended 2022) clearly define what needs to be submitted based on plot size, building height, and type of occupancy.
For small residential plots (≤ 300 sqm, height ≤ 10 m) – especially in municipal areas under the self-certification route – you typically need:
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Site Plan (showing boundaries, road, and setbacks)
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All Floor Plans
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One Section Drawing
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Main Elevation
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Service Plan (water, drainage, and electricity)
For larger projects or special occupancies, additional detailed drawings are required:
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Multiple Sections & All Elevations
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Structural Layouts (foundation, column, beam, slab)
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Parking Layout & Landscape Plan
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Fire & Life Safety Plan (mandatory for buildings ≥ 15 m height)
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Plumbing, Sanitation & Electrical Layouts
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Rainwater Harvesting & Waste Management Plans
The number and detail of drawings increase with project size and complexity. Larger institutional or high-rise projects may also require Environmental Clearance and specialist consultant drawings.
Why it matters:
Submitting the correct set of drawings ensures smooth approval, avoids costly redesigns, and keeps you compliant with the law. Always work with a registered architect or engineer to prepare and sign your plans – and never skip the mandatory documents.
USEFUL lINKS
Smart Building Compliance Tool (BUIDCo) – click here
Structural Input Companion Tool - click here
