1. INTRODUCTION  
2. AKARI all-sky data  
2.1. AKARI IRC All-Sky Survey  
2.2. Comparison with the NIR 2MASS and optical UCAC catalogues  
3. AKARI IRC observations of the previously known T Tauri stars in the Taurus-Auriga region  
4. How to extract TTS candidates from the AKARI All-Sky data  
4.2. Colour-colour diagrams  
4.3. Colour-magnitude diagram  
5. Evaluation of the criteria