The RCBKI functions on an advice rendered by the Regional Advisory Committee (RAC) notified by the Comptroller and Auditor General of India. The RAC represents 13 User Offices and at present the Principal Accountant General (A&E), West Bengal, the senior most officer of IA&AD in Kolkata, is the Chairperson of RAC. The list of members of RAC is given below:

1 Principal Accountant General (A&E), West Bengal
2 Director General of Audit, South Eastern Railway, Kolkata
3 Director General , Ordinance Factory, Kolkata
4 Director General of Commercial Audit (Coal), Kolkata
5 Director General of Commercial Audit (Mines), Kolkata
6 Director General of Audit, Eastern Railway, Kolkata
7 Director General of Audit (Central), Kolkata
8 Principal Accountant General (Audit - I), West Bengal
9 Principal Accountant General (Audit - II), West Bengal
10 Principal Director of Audit, RPU & Metro Railway, Kolkata
11 Director, Office of the Director General of Audit, Environment & Scientific Departments, New Delhi at Kolkata.
12 Dy. Director, Office of The Principal Director of Audit (Agriculture, Food & Water Resources), New Delhi at Kolkata.
13 Dy. Director, Office of the Principal Director of Audit ( Finance & Communication), Kolkata
14 Director General, Regional Training Institute, Kolkata (Member Secretary)
15 Representative from Headquarters Office