The government has notified 33 questions that will be put to citizens during the first phase of the Census -- houselisting and housing enumeration -- starting April 1. In a gazette notification published on Thursday, Registrar General of India listed questions such as material used in house flooring and roof, number of married couples living there, sex of the head of the household, type of cereal consumed, access to basic and modern necessities, and types of vehicles owned. The notification said, "The Central Government hereby instructs that all Census officers may, within the limits of the local areas for which they have been respectively appointed, ask all such questions from all persons on the items enumerated below for collecting information through the houselisting and housing census schedule in connection with the Census of India 2027.."