Principal secretaries generally are the administrative heads of departments in a state government.
Principal Secretaries act as administrative heads of the department they are assigned to.
[4] The Principal Secretary to PM is the head of the Prime Minister's Office.
[6] In Jammu and Kashmir High Court, there is a Principal Secretary to the Chief Justice, he is of a senior district and sessions judge rank.
He attends matters pertaining to the employees of subordinate judiciary such as appointments, transfers, promotions and leave.