What is Data Lock?
Data lock in UDISE+ refers to the point when school data becomes permanently frozen and no further changes can be made. This ensures data integrity for national statistics and policy planning.
Levels of Data Lock
| Level | What Gets Locked | Expected Date |
|---|---|---|
| School Level | After submission to Block | When you submit |
| Block Level | After Block approves & forwards | Mid-December |
| District Level | After District final approval | End December |
| State Level | All schools in state frozen | Mid-January |
| National Level | Complete UDISE+ database | End January |
What Happens After Data Lock?
- No Edits: You cannot modify any submitted data
- View Only: Portal shows data in read-only mode
- Reports Available: Download final UDISE+ certificate and reports
- Data Published: Data becomes part of national UDISE+ statistics
Before Data Lock: Verification Checklist
Verify These Before Lock
- School name spelling
- UDISE code correct
- Total enrollment figures
- Teacher count accurate
- Infrastructure details
- Category-wise totals match
- Contact information
- GPS coordinates
- Recognition details
- Management type
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Requesting Corrections After Lock
In exceptional cases, corrections may be possible after lock:
Write Application
Submit written request to Block/District office explaining the error and correct value.
Provide Evidence
Attach supporting documents proving the correct information.
Get Approval
District or State admin must approve the unlock request.
Correction Made
If approved, the specific field is unlocked for correction.
Data Lock vs. Deadline
| Aspect | Deadline | Data Lock |
|---|---|---|
| What it means | Last date to submit | Data becomes permanent |
| When | November 30 (school level) | January (final lock) |
| Can edit after? | May be possible with permission | Very difficult |
Frequently Asked Questions
Data is progressively locked from District to State to National level during December-January. Final national lock is typically end of January.
If Block hasn't approved yet, you can request return for editing. After Block approval, you need District permission.
You'll need to submit written request with proof to State/District. Such corrections are processed for next year or as special cases.
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Try Schoolites FreeLock Timeline
- 📤 Submit: Nov 2025
- ✅ Block: Dec 2025
- ✅ District: Dec 2025
- 🔒 State: Jan 2026
- 🔐 National: Jan 2026