Explanation:

The 2021 Census of India, also the 16th Indian Census, will be taken in 2021. The 2021 Census of India, also the 16th Indian Census, will be taken in 2021. In April 2019, a data user conference was held and it was announced that 330,000 enumerators would be enlisted and that they would be encouraged to use their own smart phones, although a paper option will also be available, which the enumerators will then need to submit electronically. It was further announced that house listing will be conducted between April and September 2020, with actual enumeration in February 2021 and a revision round in March. The reference date will be 1 March 2021 in most of the country and 1 October 2020 for Jammu and Kashmir and some areas of Himachal Pradesh and Uttarakhand.