The first full-length autobiography in Bengali, Amar Jiban, was written by:

1. Rashsundari Debi learnt to read in the secrecy of her kitchen. 2. She later wrote her autobiography Amar Jiban, published in 1876. 3. It was the first full-length autobiography published in the Bengali language. _Source: NCERT Class 10 Social Science, 'India and the Contemporary World II', Ch 5 'Print Culture and the Modern World'_