| Value | Category |
|---|---|
| 01 | not literate |
| 02 | literate without formal schooling: EGS/ NFEC/ AEC |
| 03 | literate without formal schooling: TLC |
| 04 | literate without formal schooling: others |
| 05 | below primary |
| 06 | primary |
| 07 | middle |
| 08 | secondary |
| 10 | higher secondary |
| 11 | diploma/certificate course |
| 12 | graduate |
| 13 | postgraduate and above |