- Section & Function: It audits railway IT based gateway like IPAS portal and ARPAN portal etc. which is used for dealing with accounts, bill passing ,head details, Books details, salary processing and pension cased resp. etc. Presently, engaged in working of ‘Creation of Web based database of IT system’ and Big Data Analytical Group under CDMA, as per instruction of C&AG.Presently it is headed by one Sr. Audit Officer, with one Asst. Audit Officer, two Sr. Auditors/ Auditors.