When territory wasn't acquired by conquest Sind from Baluchi princes, Punjab and Kashmir from the Sikhs, Maharashtra and Delhi from the Marathas, or Assam from Burma the British annexed it by so-called Principles of Lapse and Paramountcy.
When territory wasn't taken by conquest it was annexed by the British through the Principles of Lapse and Paramountcy.
GAO evaluators, in addition to being on the scene due to their location at the major audit site accompanied enumerators into the field and examined, in depth, Census procedures at field offices.