The Centre has officially announced a two-phase Census, to be conducted in 2026-27. It will be an elaborate and comprehensive exercise across the country. As the first census after 2011, it will mark a significant departure by enumerating caste after over a century. The trends in the population census and caste data are bound to influence state politics across the country and in Himachal Pradesh. Ashwani Sharma speaks to Balbir Tegta, former Director of Census Operations for Himachal Pradesh, who worked hands-on on the 2011 Census. Excerpts from the interview: