Under the Juvenile Justice (Care and Protection of Children) Act, 2015, "District Magistrate" includes:

Section 2(26A) of the Juvenile Justice (Care and Protection of Children) Act, 2015, added in 2021, says "District Magistrate" includes "Additional District Magistrate of the District". So the term is not limited to the Collector, and it does not include the Sessions Judge or the Commissioner of Police.