Nishant Krishna takes charge as the new Collector of Sivaganga district. Reports from The Hindu say he assumes office following the appointment and begins his tenure as the district’s administrative head. The change places a new officer at the forefront of day-to-day governance and coordination of district-level administration, including oversight of public services and implementation of government programmes. The coverage notes that the transition involves formal assumption of responsibilities associated with the Collector’s role. Details beyond the appointment and assumption of charge are not provided in the excerpts shared. Across the two reports, the core point is consistent: Nishant Krishna is the incoming Collector for Sivaganga district and officially takes charge on the reporting dates. The new posting replaces the prior office-holder with Krishna taking over administrative authority for the district going forward.