According to census of India 2011, Least Literate State of India among the given
option is:

Correct option is B

The correct answer is (b) Bihar.
· According to the 2011 Census of India, Bihar had the lowest literacy rate among the states, with a literacy rate of 63.82%.
· Despite efforts to improve education, Bihar lagged behind other states in terms of literacy levels in the 2011 census.
Information Booster:
Himachal Pradesh:
· Himachal Pradesh had a literacy rate of 82.80% in 2011, making it one of the more literate states.
Assam:
· Assam had a literacy rate of 72.19% according to the 2011 Census.
Arunachal Pradesh:
· Arunachal Pradesh had a literacy rate of 65.38% in the 2011 Census.