
Indian Statistical Service (ISS) is one amongst the central civil services. Annually, The Union Public Service Commission (UPSC) Selects the candidates based on the all India entrance examination scores.
The Indian Economic Service along with Indian Statistical Service is the administrative inter-ministerial civil service under group A of the central civil services of the executive branch of the government of India.
For Indian Statistical Service, All statistical posts of different ministries and departments were pooled together in the initial constitution of service.