Q1. In the context of Census 2027, the term 'reference date' most precisely refers to which one of the following?
- A. The date on which the Census gazette notification was issued by the Ministry of Home Affairs
- B. The fixed moment of time with reference to which every person is enumerated and counted (00:00 hours of 1 March 2027 for most of India)
- C. The date from which self-enumeration through the digital portal is first opened to the public
- D. The last date by which the Houselisting and Housing Census phase must be completed in all states