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The Bikaner Nal airport height restriction zone land-buying process has already produced one real, documented dispute between AAI and the Ministry of Defence, and that history is exactly why buyers here need to check both sides of the paperwork. Bikaner Airport operates out of Nal Air Force Station, run by the Indian Air Force, roughly on the western edge of Bikaner city. Any structure within 20 km of a VFR airport's reference point requires an AAI NOC before construction starts, and at Nal, a second Defence NOC can also apply. This page covers the funnel zone rules, the terminal height dispute on record, and where Bikaner's land authority stands today.
Nal isn't a hypothetical case of civil-military friction over height limits; it's a documented one. During construction of Bikaner's own civil terminal, a dispute arose between the AAI and the Ministry of Defence over building height: the AAI built up to 6.75 meters, while the MoD had only permitted a maximum of 5 metres, delaying the start of air services. If AAI and the defense ministry disagreed over their own terminal's height, a private buyer's construction plan near Nal is not going to slide through informally.
Here's how the standard height bands work as distance from the runway increases:
Zone
Distance from Airport
Height Rule
No-construction strip
Up to 500 m from runway
No structure permitted
Inner horizontal surface
Up to 4 km
Capped near 45 m
Outer horizontal surface
Up to 15 km
Height rises 1 m per 20 m of distance, capped near 300 m
Full NOC radius
Up to 20 km (VFR)
AAI NOC mandatory for any structure
Zone
Distance from Airport
Height Rule
No-construction strip
Up to 500 m from runway
No structure permitted
Inner horizontal surface
Up to 4 km
Capped near 45 m
Outer horizontal surface
Up to 15 km
Height rises 1 m per 20 m of distance, capped near 300 m
Full NOC radius
Up to 20 km (VFR)
AAI NOC mandatory for any structure
These bands apply because Bikaner's airport is classified as VFR, with the 20 km radius measured from its aerodrome reference point. But Nal carries an extra requirement most buyers miss: under Rule 13 of GSR751(E), applicants must seek a separate NOC from defense for any site falling within the jurisdiction of a defense aerodrome listed in Schedule V of the same rules, and Nal Air Force Station is exactly that kind of facility. A single AAI clearance is not the end of the checklist here. If a seller shows you only a civil NOC and no defense sign-off for a plot close to the base is an incomplete file, not a clean one.
Land governance in Bikaner changed hands recently, and buyers relying on old information may be dealing with an authority that no longer exists in its former form. The Bikaner Development Authority (BDA) was formed in 2024 by the Government of Rajasthan specifically to manage and plan urban development in Bikaner city and nearby areas, replacing the Urban Improvement Trust (UIT) and taking over land use planning, building layout approvals, and public infrastructure development.
The predecessor UIT has its own track record worth knowing before buying into a UIT-origin scheme:
Authority
Status
Known Pattern
Bikaner Development Authority (BDA)
Current, formed 2024
Now handles land use planning and layout approvals
Urban Improvement Trust (UIT) Bikaner
Superseded by BDA
Jorbeer scheme drew scrutiny over common/forest land conversion
Authority
Status
Known Pattern
Bikaner Development Authority (BDA)
Current, formed 2024
Now handles land use planning and layout approvals
Urban Improvement Trust (UIT) Bikaner
Superseded by BDA
Jorbeer scheme drew scrutiny over common/forest land conversion
UIT bodies in Rajasthan were constituted under the Rajasthan Urban Improvement Act, 1959, with powers that include restricting land use changes, ordering demolition of illegal buildings, and stopping unauthorized building operations. One Bikaner-specific case worth knowing: the Jorbeer housing scheme by UIT Bikaner, dating to around 2008, converted roughly 500 hectares of common and forest land that villagers had traditionally used for grazing into residential plots, a conversion that drew criticism over displacement concerns. If you're evaluating a plot with roots in a UIT-era scheme near Jorbeer or similar outer-Bikaner zones, ask specifically how the underlying land was reclassified and whether that conversion is fully settled, not just historically completed.
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Yes. Any structure within 20 km of a VFR airport's reference point, which includes Nal, requires AAI clearance before construction starts.
Something else is needed. Because Nal is a defense aerodrome under Schedule-V of GSR751(E), Rule 13 requires a separate NOC from defense in addition to any AAI clearance.
Yes. AAI and the Ministry of Defence disputed the height of Bikaner's own terminal building, with AAI constructing to 6.75 meters against the MoD's permitted 5-meter limit, delaying the airport's opening.
The Bikaner Development Authority, formed in 2024, now manages land use planning and building layout approvals, having replaced the Urban Improvement Trust.
It was a UIT Bikaner housing scheme from around 2008 that converted roughly 500 hectares of common and forest land into residential plots, a conversion history worth verifying if you're buying into that corridor.
Only under specific conditions. Sites beyond 20 km from a VFR airport, with structures under 150 m above ground level, are exempt from the NOC requirement. Near a defense base like Nal, confirm this exemption still doesn't trigger the separate defence clearance.
Approach with caution. The BDA now holds the authority for land use planning and layout approvals in Bikaner, so any pending UIT-era paperwork should be reconfirmed with the current authority rather than assumed valid by default.
Source
Official Airports Authority of India (AAI) NOCAS / Ministry of Defence (Works of Defence Act) documents
Official Website
nocas2.aai.aero
Coordinate Reference System
EPSG:4326 (WGS 84)
Geometry Type
Polygon / MultiPolygon
Data Format
Vector (GeoJSON) + Raster Tiles
Last Verified
2026
Status
Active
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