Hello Raja Ram,

Role of IRS Officer are as follows:-

• Policy Formulation
• Tax Administrator - Investigator, Quasi-Judicial authority and prosecutor
• A global crusade against black money
• Serving other Ministries/Departments/Organisations on deputation
• International bilateral and multilateral negotiations
• Anti-smuggling and narcotics control
• Revenue Intelligence

Hope this Helps.

Dear,

IRS Officers are concerned with the compilation, administration and policy formation of direct and indirect tax. Due to this reason, IRS officers are often called as Tax administrators of India. An IAS Officer is a top ranked officer in the Civil Service of the executive division of the Government of India.IRS Officer Salary. According to the latest notification, the (IRS Officer Salary) Topincome tax sleuths are going to get a fixed payscale of Rs 80,000 per month on par along with a secretary in the Union government and police chiefs.

Hope this helps!

These are yeh roles or job of anIRS officer: 

• Policy Formulation
• Tax Administrator – Investigator, quasi -judicial authority and prosecutor
• Global crusade against black money 
• Serving other Ministries/Departments/Organisations on deputation

IRS, India’s premier financial agency plays a major role in collection of Direct Taxes (mainly Income Tax & Wealth Tax) in India. It is concerned with the collection of a major part of the total tax revenue in the country. Direct Taxes laws is administered by IRS officers through the Income Tax Department (ITD). The largest department of the Government of India is the Income Tax Department.