| published - extracts on the Nagas from 'Census of India, 1931 - Volume III - Assam Report' | |
| caption: | Chapter VII. Infirmities | 
| caption: | Blindness | 
| medium: | reports | 
| text: | The hill districts - as at all previous censuses - have the highest proportion of blind. The Naga Hills and Manipur show an improvement since 1921 but all the other hill districts have deteriorated | 
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