Property Laws and Land Measurement in Karnataka: Full Guide

Published: 29 January 2025  ·  Updated: 1 June 2026  ·  By L K Monu BorkalaSenior Property Advisor at OneCity Property — over 20 years in Bangalore and Karnataka real estate.

List of Property Laws and Land Measurement Units in Karnataka   

In Karnataka, as in other parts of India, land measurement units can vary based on regional practices. Here are some standard land measurement units used in Karnataka:  

1. Acre:  

- 1 Acre = 43,560 square feet  

- 1 Acre = 100 Cents  

- 1 Acre = 40.4686 Ares  

- 1 Acre = 0.404686 Hectares  

2. Cent:  

- 1 Cent = 435.6 square feet  

- 100 Cents = 1 Acre  

3. Gunta:  

- 1 Gunta = 1,089 square feet  

- 1 Gunta = 0.025 Acre  

- 1 Gunta = 2.5 Cents  

- 40 Guntas = 1 Acre  

4. Gajam:  

- 1 Gajam = 9 square feet  

- 1 Gajam = 0.0207 Cent  

5. Ankanam:  

- 1 Ankanam = 72 square feet  

- 1 Ankanam = 0.1653 Cent  

6. Marla:  

- 1 Marla = 272.25 square feet  

- 1 Marla = 0.25 Gunta  

7. Bigha:  

- 1 Bigha = 14,400 square feet (in Karnataka)  

- 1 Bigha = 33.0578 Cents  

- 1 Bigha = 13.2231 Guntas  

8. Hectare:  

- 1 Hectare = 2.47105 Acres  

- 1 Hectare = 10,000 square meters  

9. Are:  

- 1 Are = 100 square meters  

- 1 Are = 0.0247 Acre  

10. Square Meter:  

- 1 Square Meter = 10.7639 square feet  

- 1 Square Meter = 0.000247105 Acre  

11. Square Yard:  

- 1 Square Yard = 9 square feet  

- 1 Square Yard = 0.000206612 Acre  

12. Square Feet:  

- 1 Square Feet = 0.0000229568 Acre  

- 1 Square Feet = 0.092903 square meters  

These units, such as Acre, Cent, Gunta, and others, are commonly used in land transactions, agricultural measurements, and property dealings in Karnataka. For instance, when buying or selling land, understanding these units is crucial for determining the size and value of the property. The specific unit used can depend on the region and the context of the measurement.  

In Karnataka, property and land are governed by various legal classifications, zoning regulations, and documentation systems.  

Below is a detailed explanation of the key terms and legal aspects related to property and sites in Karnataka:  

1. Zoning Regulations (Green Zone, Yellow Zone, etc.)  

Zoning regulations classify land based on its permissible use. Urban development authorities like the Bangalore Development Authority (BDA) or local municipal corporations define these zones.  

Green Zone:  

- Reserved for agricultural, forest, or environmentally sensitive areas.  

- Construction is restricted or prohibited to preserve the environment.  

- Conversion of green zone land to residential or commercial use requires special permission.  

Yellow Zone:  

- Designated for residential purposes.  

- Allows the construction of houses, apartments, and other residential buildings.  

- Commercial activities may be restricted or require special approval.  

Red Zone:  

- Reserved for commercial and industrial activities.  

- Includes areas for shops, offices, factories, and warehouses.  

Blue Zone:  

- Reserved for water bodies, lakes, and drainage systems.  

- Construction is strictly prohibited to protect water resources.  

White Zone:  

- Reserved for public utilities and infrastructure like roads, parks, and government buildings.  

2. BDA (Bangalore Development Authority)  

- The BDA is responsible for developing and planning Bangalore (Bengaluru).  

- It oversees land acquisition, zoning, and the creation of residential layouts.  

- BDA-approved sites are considered legally secure and have clear titles.  

- BDA also issues BDA Sites, which are plots of land developed and allotted by the authority.  

3. A Khata and B Khata  

These are two types of property records maintained by municipal corporations in Karnataka, particularly in Bengaluru.  

A Khata:  

- Represents legally approved properties with clear titles.  

- Properties with A Khata are eligible for building permits, loans, and other legal transactions.  

- The owner pays property taxes directly to the municipal corporation.  

B Khata:  

- Represents properties that are not fully compliant with legal norms.  

- These may include properties built on revenue, agricultural, or without proper approvals.  

- B Khata properties cannot be used for loans or building permits until converted to A Khata.  

- Owners still pay property taxes, but the property is not fully legalized.  

4. RTC (Record of Rights, Tenancy, and Crops)  

- The RTC is a legal document issued by the Revenue Department.  

- It contains details about land ownership, cultivation, and crop information.  

- It is used to verify agricultural land ownership and legal status.  

5. Conversion of Land  

- Agricultural land cannot be used without conversion for non-agricultural purposes (like residential or commercial).  

- The process involves applying to the Deputy Commissioner (DC) of the district for land conversion.  

- The land can be used for construction or other purposes once converted.  

6. DC Converted Land  

- Land officially converted from agricultural to non-agricultural use by the Deputy Commissioner.  

- DC-converted land is legally valid for residential or commercial development.  

7. Gramathana Sites  

- These are plots of land located in village areas (gram panchayat limits).  

- the respective Gram Panchayat governs Gramathana sites.  

- They are typically used for residential purposes and have fewer restrictions than urban areas.  

8. Revenue Sites  

- These are plots of land developed on revenue land (agricultural land) without proper approvals.  

- Revenue sites are often illegal and may face demolition or regularization issues.  

- Buyers should verify the legality of such sites before purchasing.  

9. BBMP (Bruhat Bengaluru Mahanagara Palike)  

- The BBMP is the municipal corporation responsible for Bengaluru's civic infrastructure.  

- It maintains property records, collects taxes, and issues building permits.  

- Properties within BBMP limits must comply with its regulations.  

10. Encumbrance Certificate (EC)  

- An EC is a legal document showing a property's ownership history.  

- It confirms whether the property has legal liabilities, such as mortgages or loans.  

- Buyers should always obtain an EC before purchasing a property.  

11. Khata Certificate  

- The Khata Certificate is proof that the property is registered with the municipal corporation.  

- It includes details like the property owner's name, location, and tax assessment.  

- A Khata Certificate is required to obtain loans and perform other legal transactions.  

12. Form 9 and Form 11  

- These are property tax-related forms used in Karnataka.  

- Form 9: Used for property tax assessment.  

- Form 11: Used for property tax payment.  

13. Tippani and Sketch  

- Tippani: A report issued by the Revenue Department verifying the legal status of the land.  

- Sketch: A map of the property showing its boundaries and dimensions.  

14. NOC (No Objection Certificate)  

- An NOC is required for properties near airports, highways, or other restricted areas.  

- It certifies no legal objections to the property's use or development.  

15. Joint Development Agreement (JDA)  

- A JDA is a legal agreement between the landowner and the developer.  

- It outlines the terms for developing the land and sharing the profits.  

16. RERA (Real Estate Regulatory Authority)  

- Karnataka has its own RERA authority to regulate real estate transactions.  

- All real estate projects must be registered with RERA to ensure transparency and protect buyers.  

17. MUDA (Mysore Urban Development Authority)  

- Similar to BDA, MUDA oversees urban development in Mysore.  

- It approves layouts and issues sites for residential and commercial purposes.  

18. KIADB (Karnataka Industrial Areas Development Board)  

- KIADB is responsible for acquiring and developing land for industrial purposes.  

- It provides land for industries, IT parks, and special economic zones (SEZs).  

19. Forest Land   

- Land classified as forest land is protected and cannot be used for private purposes without special permission from the Forest Department.  

20. CRZ ( Coastal Regulation Zone)  

- CRZ regulations govern properties near coastal areas.  

- Construction is restricted to protect the coastal ecosystem.  

Key Tips for Buyers:  

1. Always verify the property's legal status using RTC, EC, and Katha Certificate documents.  

2. Check the zoning regulations to ensure the land can be used for your intended purpose.  

3. Avoid purchasing revenue sites or B Khata properties unless they are regularized.  

4. Consult a legal expert or property lawyer before making any transactions.  

Understanding these legal details is crucial for ensuring a smooth and secure property transaction in Karnataka.  

Land measurement units matter in gift deeds and sale deeds because converting between guntas, cents, and square feet incorrectly is a drafting error that causes registration rejection, our guide to gift deeds in Karnataka includes the property schedule checklist that ensures the deed describes the exact extent being transferred.

Accurate land measurement is essential at property registration in Karnatakathe SRO requires the property schedule in the sale deed to specify extent in the measurement unit used in the approved plan, and mismatches between the deed and the site plan are among the most common causes of registration delays.

Land measurement determines the assessed area used to calculate stamp duty and registration charges in Karnatakabuyers who convert between guntas and square feet incorrectly often find their stamp duty calculation challenged at the SRO, requiring a fresh valuation and delayed registration.

The property schedule in an encumbrance certificate specifies the survey number and extent against which encumbrances are registered, verifying that the EC survey number and area match the sale deed schedule exactly is a critical step that many Karnataka buyers overlook.

Common Land Measurement Disputes in Karnataka and How to Avoid Them

Land measurement disputes are among the most frequent causes of property litigation in Karnataka. They arise because of inconsistencies between the measurement unit used in the sale deed, the unit used in the revenue records, and the actual physical dimensions of the plot on the ground. Understanding where these disputes originate helps buyers avoid them entirely.

Guntha vs square feet mismatch. The most common dispute in Bangalore's peripheral areas. A seller advertises a plot as "5 gunthas" but the physical measurement on the ground yields only 4,800 sq ft instead of the expected 5,445 sq ft (5 x 1,089). The cause: the seller is using a local approximation of guntha that differs from the standard revenue department definition. Always insist on a licensed surveyor's measurement in square feet before signing any agreement, regardless of how many gunthas the seller claims.

Cent vs guntha confusion in coastal Karnataka. Mangalore and Udupi districts historically use cents (1 cent = 435.6 sq ft), while interior Karnataka uses gunthas (1 guntha = 1,089 sq ft). Problems arise when a property in the Mangalore-Bangalore transition zone is described in one unit in the sale deed and another in the revenue records. The Kaveri 2.0 portal has largely standardised records in square metres, but older documents, pre-2015 sale deeds, older mutation extracts, may still use local units.

Survey number boundary disputes. Revenue department sketch maps in Karnataka are often hand-drawn and imprecise. Two adjacent survey numbers may show overlapping boundaries on paper even though the physical boundary (wall, fence, natural feature) is clear on the ground. Before buying any plot, get a joint boundary survey done by a licensed surveyor with both the seller and the adjacent landowners present. The surveyor places boundary stones at the agreed coordinates and records GPS points, this prevents future encroachment disputes.

Short measurement in developer layouts. Some developers sell plots at a stated size but deliver slightly less after accounting for internal roads and common areas. A "1,200 sq ft plot" in a developer layout sometimes measures only 1,100 to 1,150 sq ft when physically surveyed. The RERA-registered layout plan shows the exact plot dimensions, verify these against the physical markers on site before paying the full amount. Under RERA, the developer must deliver the exact area registered or compensate for any shortfall.

Key Karnataka Property Laws Every Buyer Must Know in 2026

Karnataka Land Revenue Act 1964. This is the foundational law governing land records, mutation, and revenue administration in the state. It defines how land ownership is recorded in the pahani (RTC, Record of Rights, Tenancy and Crops), how mutations are processed when ownership changes, and how revenue disputes are resolved through the Tahsildar and Deputy Commissioner offices. Every property transaction in Karnataka, urban or rural, ultimately traces back to the land revenue records maintained under this Act.

Karnataka Land Reforms Act 1961. This Act imposes a ceiling on agricultural land holdings, no individual can hold more than 10 standard acres of irrigated land or 54 acres of dry land. For property buyers, the critical implication is that agricultural land purchases exceeding the ceiling limit are void. If you are buying agricultural land in Karnataka, verify that the purchase will not push your total agricultural holdings above the ceiling. The Act also restricts non-agriculturists from purchasing agricultural land without specific permission from the DC, the Section 109 restriction.

RERA Karnataka 2017. The Real Estate Regulation and Development Act applies to all residential and commercial projects above 500 sq metres or 8 units. Every project must be registered on rera.karnataka.gov.in before marketing. The developer must deposit 70 percent of project funds in a designated escrow account. Buyers can file complaints directly with RERA for delayed possession, specification changes, or defective construction. RERA has fundamentally shifted the power balance in favour of buyers, use it.

Karnataka Stamp Act 1957. Stamp duty on property transactions in Karnataka is 5 percent of the property value (guidance value or sale value, whichever is higher). Karnataka does not offer a stamp duty concession for women buyers (unlike some other states) — the same rate applies regardless of gender. Registration fee is 2 percent. Undervaluation of stamp duty, declaring a sale value below the guidance value to reduce stamp duty, is a prosecutable offence under the Act. The IGR Karnataka portal publishes guidance values by survey number.

Karnataka Town and Country Planning Act 1961. This Act governs zoning, land use classification, building plans, and construction approvals through BDA, BMRDA, and local planning authorities. Every construction in an urban area requires a sanctioned building plan approved under this Act. Building without a sanctioned plan or deviating from it invites demolition orders under Section 76A. Before buying any property with existing construction, verify that a sanctioned plan exists and that the construction matches it.

How to Get Land Surveyed in Karnataka

A physical survey is the only way to confirm that the land you are buying matches the dimensions stated in the sale deed and revenue records. Here is how to get it done in Karnataka.

Step 1: Engage a licensed surveyor. Karnataka has licensed surveyors authorised by the Survey and Settlement Department. Do not use an unlicensed surveyor, their measurements have no legal standing. Your advocate or the local Tahsildar office can recommend licensed surveyors in your area. Fees range from Rs 3,000 to Rs 15,000 depending on the plot size and location.

Step 2: Provide the survey number and documents. Give the surveyor the property survey number, the RTC (pahani), the tippan (sketch map from the Survey Department), and any existing sale deeds. The surveyor uses these to identify the boundaries on the government records before going to the field.

Step 3: Joint measurement on site. The surveyor measures the physical boundaries on the ground using GPS coordinates and total station instruments. Ideally, the seller, the buyer, and adjacent landowners should all be present during the survey. The surveyor places or confirms boundary stones at each corner point.

Step 4: Survey report. The licensed surveyor issues a report stating the physical dimensions in square feet and square metres, the GPS coordinates of each boundary point, and whether the physical measurements match the revenue records. Any discrepancy between the surveyed area and the sale deed area is flagged in this report. If there is a shortfall, negotiate a price reduction before proceeding. If there is an encroachment by an adjacent owner, resolve it before the sale, do not assume you can fix it after purchase.

For any plot purchase above Rs 25 lakhs in Karnataka, commissioning an independent licensed survey is a non-negotiable step. The survey fee is trivial compared to the value of the land, and the cost of discovering a boundary dispute after registration is exponentially higher.

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