Bhu-Aadhar / ULPIN: The 14-Digit ID for Your Land
Last updated: June 2026
Survey numbers were never built to be unique forever. A single survey number from a century ago has often been split, re-split, sold in pieces, and inherited across branches of a family until "Survey No. 112" means five different things depending on who you ask. Bhu-Aadhar, officially called the ULPIN (Unique Land Parcel Identification Number), exists to fix exactly that problem.
People in land-buying circles have started asking for it the same way they ask for a 1-B or an EC. Here's what it actually is, how to read one, and how to check whether your land has been assigned a number yet.
What ULPIN Actually Is
ULPIN is a permanent, 14-digit alphanumeric code assigned to a single land parcel based on its precise geo-coordinates, generated under the central government's Digital India Land Records Modernization Programme (DILRMP). Once a parcel gets its ULPIN, that number never changes, even if the survey number on paper gets revised later or the owner sells the land ten times over.
The comparison to Aadhaar is intentional. Just as Aadhaar gave every person a single, non-duplicable identity number regardless of name spelling variations across documents, ULPIN gives every land parcel a single identity regardless of how the survey number has been recorded across decades of paperwork.
Why Andhra Pradesh Needed This
- Duplicate survey numbers across villages: Two different villages in the same mandal can technically share a survey number on old records, causing confusion in cross-checks.
- Sub-division chaos: A 5-acre survey number split into 12-A, 12-B, 12-C over generations becomes hard to track without a unique anchor per piece.
- Fraud prevention: A geo-tagged parcel with a fixed ULPIN is far harder to misrepresent in a fraudulent sale than a survey number alone.
- Faster verification for loans: Banks and insurers can pull up the exact parcel using ULPIN without relying on manual cross-referencing of village maps.
How to Read a ULPIN
The 14-digit number isn't random. It's built from layers of location data, similar in spirit to a postal PIN code but specific to a single parcel rather than an area:
| Segment | Represents |
|---|---|
| First 2 digits | State code |
| Next digits | District and Sub-District identifiers |
| Middle digits | Village code |
| Final digits | A unique parcel-level sequence number |
You won't need to decode it manually — Meebhoomi displays the full ULPIN against the relevant survey number once it's generated. The breakdown above is just useful for understanding why no two parcels, anywhere in the country, end up with the same code.
How to Check Your ULPIN on Meebhoomi
- Open your Adangal or 1-B for the relevant survey number.
- Look for a "Bhu-Aadhar" or "ULPIN" field near the survey and Khata number details.
- If it's blank, your village's resurvey hasn't reached that parcel yet — the field will populate automatically once it does.
- For a visual cross-check, use Bhu Naksha to confirm the parcel boundaries match what's geo-tagged.
What If Your Land Doesn't Have One Yet
This isn't something to panic over. ULPIN rollout depends on the drone-based resurvey programme reaching your specific village, and AP has been rolling this out in phases rather than all at once. Your existing Adangal, 1-B, and Pattadar Passbook remain fully valid with or without a ULPIN. Think of it as an upgrade layer being added on top of the existing system, not a replacement that invalidates anything you currently hold.
ULPIN and Land Buying: What It Changes For You
If a seller's land already shows a ULPIN, that's a reasonably strong signal the parcel has gone through a modern, geo-coordinate-based resurvey rather than relying purely on decades-old paper measurements. It doesn't replace checking the Sale Deed, EC, and 22-A status, but it's one more data point worth noting during due diligence.
FAQs
Does every plot of land in AP already have a ULPIN?
Not yet. ULPIN generation is rolling out village by village as resurveys are completed. If your land hasn't been resurveyed, it may not have a ULPIN assigned yet, even though your Adangal and 1-B already exist.
Does ULPIN replace my Survey Number?
No. The Survey Number continues to exist for revenue records. ULPIN runs alongside it as an additional, geo-coordinate-based identifier meant to remove ambiguity when a survey number has multiple sub-divisions.
Can I apply for a ULPIN myself?
No, you can't request one directly. It's generated by the Revenue Department during the official resurvey process. Once your village's resurvey is complete, the number appears against your survey number on Meebhoomi automatically.
Is ULPIN the same in every state?
The concept and 14-digit format are standardized under the central government's Digital India Land Records Modernization Programme, so a ULPIN from Andhra Pradesh follows the same structure as one from any other participating state.
Saanvi Rao
Content Writer & Web Developer
A software engineer with 15+ years in web development, Saanvi writes and maintains this independent Meebhoomi guide to help landowners and buyers in plain language.