The Indian Revenue Service abbreviated as IRS, is the revenue service of the Government of India. It is one of the Central Civil Services (Group A). The Service functions under the Department of Revenue in the Union Ministry of Finance and is concerned with the collection and administration of the various Direct and Indirect Taxes accruing to the Union Government. IRS comprises two branches - IRS (Income Tax) and IRS (Customs and Central Excise), which are controlled by two separate statutory bodies, viz., Central Board of Direct Taxes (CBDT) and Central Board of Excise and Customs (CBEC) respectively. DUTIES & RESPONSIBILITIES : Taxation Revenue administration Enforcement Revenue intelligence ; etc. SALARY & GRADE PAY : While working with IRS you can also work with IB, R&AW, CBI etc. Those who really want to work with IPS but if unfortunately are not selected can think of IRS as an option.Even our Arvind Kejriwal was an IRS officer.