The correct answer is c) 2021.
The 2021 Census of India was the 16th national census conducted in India. The census was conducted by the Office of the Registrar General and Census Commissioner, India, under the Ministry of Home Affairs. The census was conducted from 1st April to 30th September 2021. The provisional results of the census were released on 31st December 2021. The final results of the census are expected to be released in 2023.
The 2021 Census of India was the first census to be conducted after the bifurcation of the state of Andhra Pradesh into the states of Andhra Pradesh and Telangana. The census recorded a population of 84,693,448 in Andhra Pradesh, an increase of 15.9% over the population of 72,879,958 recorded in the 2011 Census. The sex ratio in Andhra Pradesh was 993 females per 1000 males, an increase of 2 points over the sex ratio of 991 females per 1000 males recorded in the 2011 Census. The literacy rate in Andhra Pradesh was 72.8%, an increase of 6.2% over the literacy rate of 66.6% recorded in the 2011 Census.
The 2021 Census of India was a major undertaking that involved the participation of millions of people. The census data will be used to plan for the development of Andhra Pradesh in the coming years.
The other options are incorrect because they are not the years of the most recently available Census data for Andhra Pradesh.