The Indian Audit and Accounts Service (IAAS) is a Central Group A central civil service under the Comptroller and Auditor General of India, Government of India. It is responsible for auditing the accounts of the Union and State governments and public sector organizations, and for maintaining the accounts of State governments. The IAAS is a central government service, under the Comptroller and Auditor General of India and is free of control from any executive authority. The candidates who are selected for the department of IAAS are given intense training at the National Academy of Audit and Accounts, located in Shimla, Himachal Pradesh. The training period is 1-2 years, and it involves giving a theoretical background to the students on concepts of Government and commercial auditing and accounting, followed by practical training. The recruitment process consists of three stages: Prelims, Mains, and Interview.

In summary, IAAS stands for Indian Audit and Accounts Service, which is a central government service responsible for auditing the accounts of the Union and State governments and public sector organizations, and for maintaining the accounts of State governments. The candidates who are selected for the department of IAAS are given intense training at the National Academy of Audit and Accounts, located in Shimla, Himachal Pradesh. The recruitment process consists of three stages: Prelims, Mains, and Interview.