According to the census 2011, the number of literates in India is _________ million.

Correct option is D

According to the 2011 Census Data, the total population of India is approximately 1.21 billion. Out of this, the number of literates in India is 763.5 million, which accounted for 74.04% of the total population.
 The census also provided data on the male-female literacy gap in India, which showed that while the overall literacy rate was 74.04%, the male literacy rate was higher at 82.14% compared to the female literacy rate of 65.46%.