PNB Specialist Officer (Civil, Electrical, Mech) Left Thumb Impression (LTI)
Compressor (2026)
Compress your Left Thumb Impression to the strict 20KB–50KB limit required by Punjab National Bank.
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Why format your Left Thumb Impression (LTI)?
The Punjab National Bank (PNB) uses biometric verification during the PNB Specialist Officer (Civil, Electrical, Mech) examination process. If your uploaded Left Thumb Impression (LTI) is smudged, too dark, or exceeds the strict 50KB limit, the portal will reject your application. You must press your thumb firmly on a generic ink pad (black or blue ink) and stamp it on plain white paper. Our processor ensures the final scan is perfectly compressed to meet the 2026 official guidelines.
Official LTI Rules
- File size: 20KB – 50KB
- Ink color: black or blue
- Left thumb impression on white paper with black or blue ink.
- File size strictly between 20 KB to 50 KB (3cm x 3cm).
Next Steps for PNB Specialist Officer (Civil, Electrical, Mech)
Continue preparing your application documents with official specifications.