Explanation:

- Option 1: 91-95%

- Kerala's literacy rate is one of the highest in India.

- According to the Census 2011 data, it falls within this range.

- This is the correct option.

- Option 2: 80-85%

- States with developing education systems might have this range.

- Kerala's rate is higher.

- Option 3: 96-100%

- This would be an exceptionally high literacy rate.

- While Kerala is close, it doesn't quite reach this range in 2011.

- Option 4: 86-90%

- Lower than Kerala's actual literacy rate.

- Other states might fall within this category.

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